Plant Physiology - Transportation Questions and Answers

How many ATP NADH and FADH2 are generated by just the citric acid cycle
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How many ATP NADH and FADH2 are generated by just the citric acid cycle
There are two molecules in the image to the right purple circles and blue blobs The purple circle is being moved via active transport What is this type of active transport called and since active transport requires energy where does the energy to move the purple circle come from Complete sentence s please 1 pt ve
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There are two molecules in the image to the right purple circles and blue blobs The purple circle is being moved via active transport What is this type of active transport called and since active transport requires energy where does the energy to move the purple circle come from Complete sentence s please 1 pt ve
Glycolysis results in the production of CO2 the conversion of glucose to pyruvic acid a net loss of two ATPs per glucose molecule conversion of NADH to NAD
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Glycolysis results in the production of CO2 the conversion of glucose to pyruvic acid a net loss of two ATPs per glucose molecule conversion of NADH to NAD
potential energy is termed bulk flow diffusion osmosis turgor pressure Question 3 1 pts Diffusion of molecules stops when they reach a dynamic steady state equilibrium That is the net transfer of molecules is zero True
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potential energy is termed bulk flow diffusion osmosis turgor pressure Question 3 1 pts Diffusion of molecules stops when they reach a dynamic steady state equilibrium That is the net transfer of molecules is zero True
what did you observe Select all that apply Check All That Apply Cell membranes pressed tightly against the cell walls Many of the cells had burst Full central vacuoles Many of the cells had become crenated
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what did you observe Select all that apply Check All That Apply Cell membranes pressed tightly against the cell walls Many of the cells had burst Full central vacuoles Many of the cells had become crenated
Water moved across a membrane into the thistle tube Multiple Choice O O O up its concentration gradient creating intense osmotic pressure randomly down its concentration gradient
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Water moved across a membrane into the thistle tube Multiple Choice O O O up its concentration gradient creating intense osmotic pressure randomly down its concentration gradient
In order for diffusion to occur there must be a Multiple Choice O O O cell wall cell membrane concentration gradient source of energy
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In order for diffusion to occur there must be a Multiple Choice O O O cell wall cell membrane concentration gradient source of energy
Suppose you have solute molecules at a very high concentration at a specific location and the same type of solute molecules at a very low concentration in another area What does this describe Multiple Choice O O an energy gradient an electrical gradient a concentration gradient osmosis
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Suppose you have solute molecules at a very high concentration at a specific location and the same type of solute molecules at a very low concentration in another area What does this describe Multiple Choice O O an energy gradient an electrical gradient a concentration gradient osmosis
Drug detoxification by hydroxylation transiently increases intracellular Ca activities a second messenger leads to phagosome formation increases solubility of drugs enhancing their excretion
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Drug detoxification by hydroxylation transiently increases intracellular Ca activities a second messenger leads to phagosome formation increases solubility of drugs enhancing their excretion
Q 17 12pts If the proton transport function of Complex III of the electron transport chain is completely inhibited determine the total ATP production from the complete metabolism of one molecule of glucose Note assume all other functions of metabolism and the electron transport chain are functioning properly and assumer 10 protons are required to turn ATP Synthase one complete rotation Show your work
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Q 17 12pts If the proton transport function of Complex III of the electron transport chain is completely inhibited determine the total ATP production from the complete metabolism of one molecule of glucose Note assume all other functions of metabolism and the electron transport chain are functioning properly and assumer 10 protons are required to turn ATP Synthase one complete rotation Show your work
Question 9 The final electron acceptor in lactic acid fermentation is oxygen lactic acid pyruvate ONAD
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Question 9 The final electron acceptor in lactic acid fermentation is oxygen lactic acid pyruvate ONAD
Question 9 The oxygen used during aerobic respiration phosphorylates ATP attracts electrons forms CO2 moves protons
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Question 9 The oxygen used during aerobic respiration phosphorylates ATP attracts electrons forms CO2 moves protons
Substrate level phosphorylation describes the synthesis of ATP by build up of hydrogen ions across a membrane how ATP drives the work of the cell the direct synthesis of ATP from a phosphorylated substrate how ATP is produced by oxidative phosphorylation
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Substrate level phosphorylation describes the synthesis of ATP by build up of hydrogen ions across a membrane how ATP drives the work of the cell the direct synthesis of ATP from a phosphorylated substrate how ATP is produced by oxidative phosphorylation
nucleotide substitutions synonymous silent no aa change nonsynonymous aa altering missense from one aa to another aa haemoglobin A mutation occurred in the MC1R gene A mutation occurred in the MC1R mRNA nonsense sense codon Stop MC1R Based on your knowledge of mutations and protein synthesis which of the following is true of now a mutation can result in yellow coat color in Labrador Retrievers Select all that apply A mutation in the DNA results in an alteration of the mRNA The normal MC1R allele results in either black or brown fur color in Labrador Retrievers The mutant MC1R allele results in yellow coat color in Labrador Retrievers The mutant MC1R allele results in a stop codon replacing an amino acid codon The shortened MC1R gene product that results from the mutant allele is nonfunctional Because yellow Labrador Retrievers have this mutation they are less healthy then black or brown coated Labrador Retrievers Mutations are bad for the organisms that inherit them
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nucleotide substitutions synonymous silent no aa change nonsynonymous aa altering missense from one aa to another aa haemoglobin A mutation occurred in the MC1R gene A mutation occurred in the MC1R mRNA nonsense sense codon Stop MC1R Based on your knowledge of mutations and protein synthesis which of the following is true of now a mutation can result in yellow coat color in Labrador Retrievers Select all that apply A mutation in the DNA results in an alteration of the mRNA The normal MC1R allele results in either black or brown fur color in Labrador Retrievers The mutant MC1R allele results in yellow coat color in Labrador Retrievers The mutant MC1R allele results in a stop codon replacing an amino acid codon The shortened MC1R gene product that results from the mutant allele is nonfunctional Because yellow Labrador Retrievers have this mutation they are less healthy then black or brown coated Labrador Retrievers Mutations are bad for the organisms that inherit them
Question 18 1 point Describe what happens when seawater is consumed to quench thirst a Seawater draws water out of the body resulting in further dehydration and diarrhea Seawater can quench thirst once it is boiled Seawater helps diarrhea Seawater must be ingested at twice the volume to quench thirst Seawater quenches thirst when directly ingested
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Question 18 1 point Describe what happens when seawater is consumed to quench thirst a Seawater draws water out of the body resulting in further dehydration and diarrhea Seawater can quench thirst once it is boiled Seawater helps diarrhea Seawater must be ingested at twice the volume to quench thirst Seawater quenches thirst when directly ingested
has an absorption peak of 700nm while has an absorption peak of 680nm
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has an absorption peak of 700nm while has an absorption peak of 680nm
A student places a potato cube into a beaker of distilled water as shown below Distilled water The potato cube has a up of 0 2 bar and a of 0 4 bar Water potential p s p pressure potential solute potential Assuming standard atmospheric pressure which of the following is true Choose 1 answer Potato cube A The water potential of the potato cube is 0 bar and the water potential of the distilled water is 0 6 bar The water potential of the potato cube is 0 bar and the water potential of the distilled water is 0 2 bar The water potential of the potato cube is 0 6 bar and the water potential of the distilled water is 0 bar The water potential of the potato cube is 0 2 bar and the water potential of the distilled water is 0 bar
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A student places a potato cube into a beaker of distilled water as shown below Distilled water The potato cube has a up of 0 2 bar and a of 0 4 bar Water potential p s p pressure potential solute potential Assuming standard atmospheric pressure which of the following is true Choose 1 answer Potato cube A The water potential of the potato cube is 0 bar and the water potential of the distilled water is 0 6 bar The water potential of the potato cube is 0 bar and the water potential of the distilled water is 0 2 bar The water potential of the potato cube is 0 6 bar and the water potential of the distilled water is 0 bar The water potential of the potato cube is 0 2 bar and the water potential of the distilled water is 0 bar
The exchange of pieces of chromatid material between homologs is called O crossing over O cytokinesis homo exchange synapsis
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The exchange of pieces of chromatid material between homologs is called O crossing over O cytokinesis homo exchange synapsis
1 Listeria monocytogenes is the causative of listeriosis which can adversely affect pregnan Pregnant individuals are advised to avoid consuming cold deli meat or unpasteurized dairy products to avoid potentially becoming ill The reason these foods in particular pose a threat is because Listeria can grow at 4 C in the refrigerator however it prefers higher temperatures to support optimal growth How would L monocytogenes be classified a psychrotolerant psychrotroph b psychrophile c mesophile d thermophile 2 Protein X is present in both thermophiles and mesophiles Protein X performs the same function in both thermophiles and mesophiles Generally how would you expect the protein to differ when comparing the structure of protein X between thermophiles and mesophiles a The protein in the thermophile would have more intramolecular bonds when compared to the same protein in the mesophile b The protein in the thermophile would have fewer intramolecular bonds when compared to the same protein in the mesophile c The protein in the thermophile would contain fewer hydrophobic amino acids when compared to the same protein in the mesophile d The proteins would be identical in both organisms because temperature does not affect protein structure 3 Mono Lake is located close to Yosemite National Park in California From this lake microbiologist have successfully isolated alkalophilic halophiles Which of the following is likely the best description of the water chemistry found at the lake a It has a high pH and a low salt concentration b It has a low pH and a low salt concentration c It has a high pH and a high salt concentration d It has a low pH and a high salt concentration
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1 Listeria monocytogenes is the causative of listeriosis which can adversely affect pregnan Pregnant individuals are advised to avoid consuming cold deli meat or unpasteurized dairy products to avoid potentially becoming ill The reason these foods in particular pose a threat is because Listeria can grow at 4 C in the refrigerator however it prefers higher temperatures to support optimal growth How would L monocytogenes be classified a psychrotolerant psychrotroph b psychrophile c mesophile d thermophile 2 Protein X is present in both thermophiles and mesophiles Protein X performs the same function in both thermophiles and mesophiles Generally how would you expect the protein to differ when comparing the structure of protein X between thermophiles and mesophiles a The protein in the thermophile would have more intramolecular bonds when compared to the same protein in the mesophile b The protein in the thermophile would have fewer intramolecular bonds when compared to the same protein in the mesophile c The protein in the thermophile would contain fewer hydrophobic amino acids when compared to the same protein in the mesophile d The proteins would be identical in both organisms because temperature does not affect protein structure 3 Mono Lake is located close to Yosemite National Park in California From this lake microbiologist have successfully isolated alkalophilic halophiles Which of the following is likely the best description of the water chemistry found at the lake a It has a high pH and a low salt concentration b It has a low pH and a low salt concentration c It has a high pH and a high salt concentration d It has a low pH and a high salt concentration
1 points Save Answer It is summer and you are excited about going to your local amusement park and specifically about riding the new roller coaster that was just built You imagine waiting at the top of the stairs for the roller coaster to pull into the station climbing into the car strapping yourself into the seatbelt and pulling down the harness You can imagine the cars slowly chugging up to the top of the first hill coming down on the other side and the excitement you expect to feel as you go along for the ride Of all of the things that you have imagined which is an example of potential energy O Waiting at the top of the stairs for the roller coaster to pull into the station O Climbing into the car O Pulling down the harness O The roller coaster car going up the first hill
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1 points Save Answer It is summer and you are excited about going to your local amusement park and specifically about riding the new roller coaster that was just built You imagine waiting at the top of the stairs for the roller coaster to pull into the station climbing into the car strapping yourself into the seatbelt and pulling down the harness You can imagine the cars slowly chugging up to the top of the first hill coming down on the other side and the excitement you expect to feel as you go along for the ride Of all of the things that you have imagined which is an example of potential energy O Waiting at the top of the stairs for the roller coaster to pull into the station O Climbing into the car O Pulling down the harness O The roller coaster car going up the first hill
estion 3 Match the stages of eukaryotic cell respiration with the location in which the reactions occurs Electron transport chain Citric acid cycle Pyruvate oxidation Glycolysis A Mitochondrial matrix B Mitochondrial inner membrane C Cytoplasm D Outer mitochondrial membrane
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estion 3 Match the stages of eukaryotic cell respiration with the location in which the reactions occurs Electron transport chain Citric acid cycle Pyruvate oxidation Glycolysis A Mitochondrial matrix B Mitochondrial inner membrane C Cytoplasm D Outer mitochondrial membrane
The transporter of the ETC that pumps hydrogen ions removed from NADH is O a facillitated diffustion uniport O is an active transport antiport O is a facillitated diffusion antiport O an active transport uniport
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The transporter of the ETC that pumps hydrogen ions removed from NADH is O a facillitated diffustion uniport O is an active transport antiport O is a facillitated diffusion antiport O an active transport uniport
Moving to another question will save this response estion 7 Question 7 of 9 1 points is a phenomena that occurs when the end product of a biochemical pathway binds to an active site on the enzyme that catalyzes the first reaction of the pathway O Anabolism O Feedback inhibition O Catabolism O Noncompetitive inhibition Save Answer
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Moving to another question will save this response estion 7 Question 7 of 9 1 points is a phenomena that occurs when the end product of a biochemical pathway binds to an active site on the enzyme that catalyzes the first reaction of the pathway O Anabolism O Feedback inhibition O Catabolism O Noncompetitive inhibition Save Answer
What is the interaction of DNP in cellular respiration O It interfers with complex 1 O none of the choices is correct O it blocks the ATP synthase transporter channel O It cases the cristae to leak
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What is the interaction of DNP in cellular respiration O It interfers with complex 1 O none of the choices is correct O it blocks the ATP synthase transporter channel O It cases the cristae to leak
CO2 is a wast product of cellular respiration From which of the phases does it originate Glycolysis O Citric Acid Cycle none of the choices is correct
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CO2 is a wast product of cellular respiration From which of the phases does it originate Glycolysis O Citric Acid Cycle none of the choices is correct
The grass output of ATP from glycolysis is 2 4 2 1 whereas the net output of ATP is
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The grass output of ATP from glycolysis is 2 4 2 1 whereas the net output of ATP is
Each of the following statements about the citric acid cycle is true except oxidation by transfer of electrons to coenzymes occurs at two steps substrate level phosphorylation generates ATP GTP at one step decarboxylation to release CO2 occurs at two steps acetate enters the citric acid cycle and joins a four carbon acceptor molecule to form citrate
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Each of the following statements about the citric acid cycle is true except oxidation by transfer of electrons to coenzymes occurs at two steps substrate level phosphorylation generates ATP GTP at one step decarboxylation to release CO2 occurs at two steps acetate enters the citric acid cycle and joins a four carbon acceptor molecule to form citrate
The electron transport chain consists of a series of redox reactions in which electrons are transferred to oxygen as the final electron acceptor true O false
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The electron transport chain consists of a series of redox reactions in which electrons are transferred to oxygen as the final electron acceptor true O false
POST LAB Fill in the blanks in questions 1 9 with the correct organe the leaves were soft and wilted Name the organelle that became dehydrated You went on vacation and forgot to water your plants When you returned milib baqala vabaved ello y bod siosqe cive network of smooth ER I could
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POST LAB Fill in the blanks in questions 1 9 with the correct organe the leaves were soft and wilted Name the organelle that became dehydrated You went on vacation and forgot to water your plants When you returned milib baqala vabaved ello y bod siosqe cive network of smooth ER I could
3 3 The diagram below shows a process that occurred in the nucleus of a cell Which of the following statements describes what happened in this process MIXI ALT XXXI DIXI GC AIT GC ODNA was translated ODNA was converted to RNA OA mutation occurred as DNA was replicated O Pieces of DNA from different chromosomes were joined 1 pc
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3 3 The diagram below shows a process that occurred in the nucleus of a cell Which of the following statements describes what happened in this process MIXI ALT XXXI DIXI GC AIT GC ODNA was translated ODNA was converted to RNA OA mutation occurred as DNA was replicated O Pieces of DNA from different chromosomes were joined 1 pc
A plant cell in a hypotonic solution is turgid is flaccid shrivels wilts
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A plant cell in a hypotonic solution is turgid is flaccid shrivels wilts
Two neighboring types of coral release gametes at the same time but the gametes are not compatible and cannot produce embryos Which term best describes this situation A Reproductive isolation B Behavioral isolation C Temporal isolation D Geographic isolation
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Two neighboring types of coral release gametes at the same time but the gametes are not compatible and cannot produce embryos Which term best describes this situation A Reproductive isolation B Behavioral isolation C Temporal isolation D Geographic isolation
Which of the following membrane activities requires energy from ATP hydrolysis facilitated diffusion of chloride ions across the membrane through a chloride channel movement of glucose molecules into a bacterial cell from a medium containing a higher concentration of glucose than inside the cell O movement of Nations from a lower concentration in a mammalian cell to a higher concentration in the extracellular fluid movement of carbon dioxide out of a paramecium
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Which of the following membrane activities requires energy from ATP hydrolysis facilitated diffusion of chloride ions across the membrane through a chloride channel movement of glucose molecules into a bacterial cell from a medium containing a higher concentration of glucose than inside the cell O movement of Nations from a lower concentration in a mammalian cell to a higher concentration in the extracellular fluid movement of carbon dioxide out of a paramecium
sten Which of the following statements is are true Select all that apply osmosis is a form of diffusion if there is no concentration gradient a substance will not diffuse diffusion of most substances requires ATP powered pumps in the cell s membrane gases can diffuse just like liquids cell membranes help to maintain solute gradients
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sten Which of the following statements is are true Select all that apply osmosis is a form of diffusion if there is no concentration gradient a substance will not diffuse diffusion of most substances requires ATP powered pumps in the cell s membrane gases can diffuse just like liquids cell membranes help to maintain solute gradients
In the diagram what would happen to the concentration of A O increases O decreases O no change H O B C
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In the diagram what would happen to the concentration of A O increases O decreases O no change H O B C
If energy is required to move molecules across a microbial membrane then the transport method must be O Active transport O Facilitated diffusion O Osmosis O Passive diffusion O Endocytosis
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If energy is required to move molecules across a microbial membrane then the transport method must be O Active transport O Facilitated diffusion O Osmosis O Passive diffusion O Endocytosis
1 Explain one way in which facilitated diffusion is the same as simple diffusion and one way in which it is different from simple diffusion
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1 Explain one way in which facilitated diffusion is the same as simple diffusion and one way in which it is different from simple diffusion
A leaf with a thicker cuticle would most likely exhibit transpiration compared to a leaf with a thinner cuticle A the same amount of C negative B less D more
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A leaf with a thicker cuticle would most likely exhibit transpiration compared to a leaf with a thinner cuticle A the same amount of C negative B less D more
When plants colonized on land which of the following was NOT an obstacle they had to overcome A autotrophy vs heterotrophy B transport of water C method of gas exchange D gravity vs buoyancy
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When plants colonized on land which of the following was NOT an obstacle they had to overcome A autotrophy vs heterotrophy B transport of water C method of gas exchange D gravity vs buoyancy
Plants absorb water from the soil to use for the process of photosynthesis The water must move from the soil into the roots of the plants up through the xylem and into the cells in the leaves of the plants The diagram below shows how water is able to move up the xylem by adhering to the xylem in the stems of plants The movement of water through xylem cells Which of the following best explains how water is able to move from the roots of a plant through the xylem and to the leaves of the plant A water molecule xylem cell B Water molecules are able to form hydrogen bonds with the xylem walls and they are pulled up the xylem Water molecules have the ability to form hydrogen bonds with each other and with the walls of the xylem
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Plants absorb water from the soil to use for the process of photosynthesis The water must move from the soil into the roots of the plants up through the xylem and into the cells in the leaves of the plants The diagram below shows how water is able to move up the xylem by adhering to the xylem in the stems of plants The movement of water through xylem cells Which of the following best explains how water is able to move from the roots of a plant through the xylem and to the leaves of the plant A water molecule xylem cell B Water molecules are able to form hydrogen bonds with the xylem walls and they are pulled up the xylem Water molecules have the ability to form hydrogen bonds with each other and with the walls of the xylem
A student placed a semipermeable membrane inside a U shaped channel with two cham bers as shown in the image below The membrane allows the movement of water but not the movement of salt The student wants to manipulate the rate of osmosis that occurs across the membrane A L An experimental setup for testing osmosis B chamber A C semipermeable membrane Which of the following experimental designs will result in the fastest net rate of water movement into Chamber A placing salt water in Chamber A and distilled water in Chamber B placing salt water in both chambers chamber B placing distilled water in Chamber A and salt water in Chamber B
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A student placed a semipermeable membrane inside a U shaped channel with two cham bers as shown in the image below The membrane allows the movement of water but not the movement of salt The student wants to manipulate the rate of osmosis that occurs across the membrane A L An experimental setup for testing osmosis B chamber A C semipermeable membrane Which of the following experimental designs will result in the fastest net rate of water movement into Chamber A placing salt water in Chamber A and distilled water in Chamber B placing salt water in both chambers chamber B placing distilled water in Chamber A and salt water in Chamber B
Oxygen is necessary for essential cellular processes such as cellular respiration Oxygen most likely enters a cell through which of the following processes A BO C D facilitated diffusion through channel proteins simple diffusion through the phospholipid bilayer active transport through aquaporins active transport through carrier proteins
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Oxygen is necessary for essential cellular processes such as cellular respiration Oxygen most likely enters a cell through which of the following processes A BO C D facilitated diffusion through channel proteins simple diffusion through the phospholipid bilayer active transport through aquaporins active transport through carrier proteins
What would happen to a non halophile bacteria with damaged cell wall that are placed in a hypertonic solution of NaCl Cytolysis Plasmolysis because too much water entered the cell Cells get dehydrated and lose the cell wall Cell get dehydrated and their plasma membrane shrinks Cells explode
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What would happen to a non halophile bacteria with damaged cell wall that are placed in a hypertonic solution of NaCl Cytolysis Plasmolysis because too much water entered the cell Cells get dehydrated and lose the cell wall Cell get dehydrated and their plasma membrane shrinks Cells explode
The process shown in the figure is O diffusion active transport O endocytosis O osmosis
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The process shown in the figure is O diffusion active transport O endocytosis O osmosis
Select all of the cellular transport mechanisms that require energy Check All That Apply Simple diffusion Carrier mediated active transport Facilitated diffusion Bulk transport phagocytosis pinocytosis
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Select all of the cellular transport mechanisms that require energy Check All That Apply Simple diffusion Carrier mediated active transport Facilitated diffusion Bulk transport phagocytosis pinocytosis
Normal text Centu Diffusion through lipid bilayer Figure B 14 Review A comparison of passive and active transport 12 BIUA 22 Draw where these particles would be over time in the box on the right A Facilitated diffusion Passive transport Cipe The Cu P Comp Active transport 067 Form C ATP ald Cell Membrane 11
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Normal text Centu Diffusion through lipid bilayer Figure B 14 Review A comparison of passive and active transport 12 BIUA 22 Draw where these particles would be over time in the box on the right A Facilitated diffusion Passive transport Cipe The Cu P Comp Active transport 067 Form C ATP ald Cell Membrane 11
Consider the following scenario A plant cell is placed in a 80 salt solution The 80 salt solution causes plasmolysis to occur Therefore the 80 salt solution is relative to the fluid inside the cell intracellular fluid Osmotic O Hypertonic O Hypotonic OHdrolytic Isotonic
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Consider the following scenario A plant cell is placed in a 80 salt solution The 80 salt solution causes plasmolysis to occur Therefore the 80 salt solution is relative to the fluid inside the cell intracellular fluid Osmotic O Hypertonic O Hypotonic OHdrolytic Isotonic
spore cytoplasm the meristem that builds protoderm procambium and ground tissues the haploid female gametophyte before fertilization Question 13 1 point Listen In order to move materials long distances through the plant body the contents of sieve elements are pulled under tension and the contents of the tracheary elements are pushed under pressure True
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spore cytoplasm the meristem that builds protoderm procambium and ground tissues the haploid female gametophyte before fertilization Question 13 1 point Listen In order to move materials long distances through the plant body the contents of sieve elements are pulled under tension and the contents of the tracheary elements are pushed under pressure True
In the plant world it is usually advantageous to be taller than the other nearby plants because OA reproductive structures like pollen and spores can be dispersed for greater distances B it is a photosynthetic advantage to not grow in the shade of other plants C being exposed to the wind allows transpiration to work better to control water loss D all of these A B C are advantages E both A and B are advantages while C is a disadvantage
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In the plant world it is usually advantageous to be taller than the other nearby plants because OA reproductive structures like pollen and spores can be dispersed for greater distances B it is a photosynthetic advantage to not grow in the shade of other plants C being exposed to the wind allows transpiration to work better to control water loss D all of these A B C are advantages E both A and B are advantages while C is a disadvantage
Two properties of water are cohesion and adhesion Cohesion refers to water ability to O stick to other water molecules via hydrogen bonding stick to hydrophillic surfaces cling to other liquids O cling to molecules in an aqueous solution stick to hydrophobic surfaces
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Two properties of water are cohesion and adhesion Cohesion refers to water ability to O stick to other water molecules via hydrogen bonding stick to hydrophillic surfaces cling to other liquids O cling to molecules in an aqueous solution stick to hydrophobic surfaces