Plant Physiology - Respiration Questions and Answers

Show the fate of the carbon atoms in the metabolism of glutamate shown below by dragging the appropriate molecule names onto the flowchart HO H N C C O I Drag the appropriate labels to their respective targets View Available Hint s acetyl SCOA malate glucose succinate a ketoglutarate furnarate citrate axaloacetate pyruvate citric acid cycle H glutamate succinyl SCOA malate gluconeogenesis CH CH C O glutamate Reset Help

Q 19 14 pts Draw a diagram showing the path of an electron in the non cyclic flow of photosynthesis Indicate the source of electrons the net reaction for each complex including proton movement and indicate the transitions between Chl Chl and Chl

Sort the electron acceptors that are able to diffuse inside the mitochondrial matrix from those that are immobilized in a protein complex in their active state Drag each item to the appropriate bin View Available Hint s flavin mononucleotide flavin adenine dinucleotide Able to diffuse into mitochondrial matrix nicotinamide adenine dinucleotide coenzyme Q iron sulfur clusters Unable to diffuse into mitochondrial matrix Reset Help cytochromes

Cellular Respiration 1 Define oxidation and reduction 2 Describe the cellular regions where glycolysis the Krebs cycle Citric acid cycle and the electron transport chain occur 3 Describe how the carbon skeleton of glucose changes as it proceeds through glycolysis In general what happens to a glucose molecule as is proceeds through glycolysis 4 Describe where pyruvate is oxidized to acetyl CoA what molecules are produced and how this process links glycolysis to the Krebs cycle Citric acid cycle 5 Describe the role of NAD and the electron transport chain during respiration 6 Explain how the energetically favorable slide of electrons down the electron transport chain is coupled to the energetically unfavorable production of ATP by chemiosmosis 7 Describe the process of chemiosmosis 8 Summarize the net ATP yield both direct and indirect from the oxidation of one glucose molecule be sure to include the different stages of cellular respiration 9 Explain why fermentation is necessary 10 Compare the fate of pyruvate in alcohol fermentation and lactic acid fermentation 11 Compare the processes of fermentation and cellular respiration 12 Describe how food molecules other than glucose can be oxidized to make ATP what molecules and where do they enter the pathway

Identify each of the following reactions as an isomerization phosphorylation or phosphate transfer Drag the appropriate items to their respective bins View Available Hint s Isomerization Submit glucose 6 phosphate fructose 6 phosphate dihydroxyacetone phosphate glyceraldehyde 3 phosphate Previous Answers Phosphorylation 2 attempts remaining 1 3 bisphosphoglycerate 3 phosphoglycerate phosphoenolpyruvate pyruvate Phosphate transfer Reset Help glucose glucose 6 phosphate fructose 6 phosphate fructose 1 6 bisphosphate upon t basdation hobu

After pyruvate is formed it must either be converted to another molecule to enter the citric acid cycle and ultimately produce ATP by utilizing the electron transport chain or go through alternate pathways to produce NAD Identify the products formed in the pathway of pyruvate and indicate whether NADH H or NAD are produced under aerobic and anaerobic respiration Drag the appropriate labels to their respective targets View Available Hint s Acetyl coenzyme A Lactate Alcohol ethanol NADH H produced NAD produced End products NAD NADH H Aerobic Respiration Normal cell Group 1 Group 2 Anaerobic Respiration Exercising Muscle Group 1 Group 2 Yeast Group 1 Group 2 Reset Help

Question 40 NADPH is made by O chemiosmosis O glycolysis the Krebs cycle O the Calvin cycle the passing of electrons from photosystem I to an electron transport chain

Using the image below answer the following questions high Light Absorption low An 400 450 500 550 600 Wavelength nm At approximately nm carotenoids exhibit their top absorbance Chlorophyll b demonstrates 2 peaks The second lower peak is around Chlorophyll a s highest absorbance is at does not show absorbance after 550nm nm carotenoids chlorophyll a chlorophyll b 650 700 nm A Chlorophyll b B 640 C Carotenoids D 455 E Chlorophyll a F 420 G 600

estion 3 The pathway incorporates CO2 into malate and is then transported into bundle sheath cells In the plants both methods are utilized 3 points Save Ar pathway all CO2 is fixed in the Calvin cycle In

Malformation of which cytoskeletal structures may be linked to an inability to contract muscle Centrioles Intermediate filaments Microfilaments Microtubulos

If you make an antibiotic to kill bacteria how do you know if it will affect your cells

Match the labeled items with the correct term associated with cell respiration Macromolecule degradation Cell building blocks Oxidative respiration Ultimate metabolic products Nucleic Acids ACEG C A Amino acids E 1 B Sugars HO J Acetyl COA Carbon Dioxide 1 Proteins 2 Nucleotides 3 Deamination Lipids and fats 4 Pyruvate 5 NH3

Choose the appropriate answer oin our shop today for the best prices Olocally own locally owned

Match the electron carrier with the amount of ATP that can be produced when it donates electrons to the electron transport chain Instructions NADH FADH 2 5

obligate aerobes cancer cells facultative organisms obligate anaerobes Question 40 1 point 1 Listen Which of these is NOT a key enzyme in glycolysis phosphofructokinase 1 hexokinase Opyruvate kinase

Both PSI an PSII are Involved Only PSI is involved Cyclic Photophosphorylation NONCYClic Photophosphay Electron expelled from Chlorophyll is cycled back Photolysis of water by the DEC replaces electron to Chlorophyll Oxygen is released from the photolysis of water NADP is reduced to NADPH lation

Prokaryotes do not have membrane bound organelles In prokaryotes that carry out aerobic respiration the serves the same purpose as the inner mitochondrial serves the same purpose as the mitochondrial matrix membrane and the ribosomes plasma membrane cytoplasm cell wall Oplasma membrane cytoplasm cytoplasm plasma membrane

During the process of glycolysis which of the following substrates donates electrons to NAD and adds Pi to form 1 3 bisphosphoglycerate O2 phosphoglycerate 3 phosphoglycerate Glyceraldehyde 3 phosphate Glucose 6 phosphate

Each of the following is a step in the degradation of fatty acids except O activation Ohydration Othiolysis acylation

Which of the following molecules is incorrectly matched with the number of carb atoms it possesses Malate 5 Ox ketoglutarate 5 Acetyl CoA 2 Citrate 6

Arsenic is a type of cellular poison that inhibits the oxidation of pyruvate to acetyl CoA 1 What part of cellular respiration is affected by arsenic 2 What would you expect to happen to ATP production in someone poisoned with arsenic 1 Glycolysis is affected by arsenic 2 ATP production will be unaffected by arsenic since Glycolysis only produces a small amount of ATP 4 1 The Citric Acid Cycle is affected by arsenic 2 ATP production will increase to critically high levels causing cells to burn out 1 The Electron Transport Chain is affected by arsenic 2 Without Acetyl CoA to power ATP Synthase ATP production will be critically low 1 The Citric Acid cycle is affected by arsenic 2 ATP production will be critically low since cellular respiration will be halted immediately following Glycolysis

respiration except All could serve as the terminal electron acceptor in anaerobic respiration iron sulfur protons 02 Question 17 0 5 points 4 Listen electron transport causes protons to be pumped out of the mitochondrial matrix True

how many ATPs would be synthesized specifically in the Kreb s cycle 8 1 4 2 Question 6 0 5 points Listen Which shows the steps of aerobic oxidation of glucose in the correct order glycolysis ATP synthesis in mitochondria TCA cycle generation of acetyl CoA electron transport proton pumping glycolysis generation of acetyl CoA TCA cycle electron transport proton pumping ATP synthesis in mitochondria glycolysis TCA cycle generation of acetyl CoA electron transport proton numping ATP synthesis in mitochondria

Which of the following is FALSE cell volume will not change if placed in an isotonic solution in which the solute concentration is the same on bot sides of a membrane When cells are placed in a hypertonic solution the solute concentration is higher outside and the cells will shrivel When cells are placed in a hypotonic solution the solute concentration is lower outside and the cells lyse or burs Cells placed in an isotonic solution will cause the cell volume to decrease

Which of the following produces the MOST ATP when glucose C6H12O6 is completely oxidized to carbon dioxide CO and water glycolysis fermentation Cellular respiration Photosynthesis

The resting membrane potential or electrical voltage present at the membrane in a resting muscle cell is measured to be 90mV 60mV 45mV Amy 111

5 Pyrophosphate is a A building block for DNA synthesis B by product of DNA synthesis C precursor to DNA synthesis D fire phosphate used in nucleic acid metabolism All of the above E

After biochemical fractionation to collect membranes from the vacuole and the endoplasmic reticulum only the ER membranes allow passage of the Ca2 ions What is the most likely explanation The membranes must have different lipid and different protein composition different lipid composition different carbohydrate composition different protein composition

e Page s 71 72 Which type of transport requires energy to move molecules from an area of lower concentration to an area of higher concentration osmosis isotonic 4 5 Compare and contrast the major forms of passive and active transport of materials into and out of cells diffusion Click or tap a choice to answer the question active passive

1 po 3 1 The diagram below represents a small section of a DNA molecule Which section of DNA represents the complementary strand to the section of DNA above 3 TH FTS ATTCGGGATATT O ATT CGG GAT ATT OTTA TAG GGC TTA TAA GCC CTA TAA

1 3 Cellular respiration involves a series of chemical reactions Which of the 1 points following is a primary way that enzymes affect these reactions O They change the location of the reactions in the cell They take the place of oxygen as a reactant They increases the rate of the reactions They decrease the pH of the products

6 4 Earth s atmosphere is 20 9 molecular oxygen 02 Which process 1 point provides most of the oxygen in the atmosphere osmosis cellular respiration photosynthesis transpiration 6 4 Which of the following processes removes carbon from the air and uses 1 point it to make organic compounds combustion

3 What is the primary role of photosynthesis in the carbon cy transferring carbon from producers to decomposers transferring carbon from the soil to organisms removing carbon from the atmosphere O releasing carbon to the oceans

6 4 Which of the following are mainly cycled through the processes of photosynthesis and cellular respiration nitrogen and oxygen nitrogen and sulfur O carbon and oxygen O carbon and sulfur

Which of the following options lists the stages in cellular respiration in the correct order O glycolysis oxidative phosphorylation and the citric acid cycle oxidative phosphorylation the citric acid cycle and glycolysis glycolysis the citric acid cycle and oxidative phosphorylation oxidative phosphorylation glycolysis and the citric acid cycle O the citric acid cycle oxidative phosphorylation and glycolysis

Study the diagram Based on your own knowledge which of these choices would best fit into the center circle Blacklisting HUAC Communist Infiltration O Second Red Scare O McCarthyism O Red Scare O Joseph McCarthy Hollywood Ten R t Q

Photosynthesis provides us with an oxygen rich atmosphere Where doe he released 2 come from It is a byproduct of water molecules that are used to reduce P680 OIt is a byproduct of NADP reduction OIt is a byproduct of water molecules that are used to reduce P700 61 It is a hyproduct of the citric acid qualo

While much of the oxygen produced by photosynthesis is released into th atmosphere through stroma in plant leaves some of it will remain as the electron acceptor of ATP Synthase which is found in the plant s O mitochondria and chloroplasts O mitochondria Ochloroplasts and thylakoids

Photons entering the harvesting complexes of chloroplasts do which of the following O Cause electrons to jump from complex to complex until they enter the primary electron acceptor excite electrons from oxygen that is taken in by the plant to produce more H20 O excite electrons that come from H20 molecules donated to a special pair of chlorophyl molecules in the reaction center excite electrons that oxidize NADP in the reaction center complex

Jed is studying the investment of ATP in Cellular Respiration Which stage of Cellular respiration would his research likely be focusing on O The reduction of FAD to FADH2 in the Citric Acid Cycle O The oxidation of NADH to NAD in the electron transport chain O The phosphorylation of glucose in glycolysis O The reduction of NAD to NADH in Glycolysis

Which of the following processes generates a proton motive force in mitochondria O pumping of hydrogen ions from the mitochondrial matrix across the inner membrane and into the intermembrane space O the reduction of NAD by the first electron carrier in the electron transport chain Olowering of pH in the mitochondrial matrix the flow of protons through ATP synthase down their concentration gradient

Does the citric acid cycle increase to the concentration of oxaloacetate in the cell Explain your reasoning How is oxaloacetate replenished and under what cellular conditions high low energy charge high low levels of acetyl CoA is this reaction favored

Which molecule is transported out of the mitochondria after the first step of gluconeogenesis Selected answer will be automatically saved For keyboard navigation press up down arrow keys to select an answer a b C malate fumarate oxaloacetate

Question 10 1 point 41 Listen What happens to CO2 when it moves into the stroma The CO2 splits into C and O It immediately passes on to the thylakoids It gets incorporated into the Calvin cycle and goes toward the formation of glucose The CO becomes a by product of cellular respiration It is converted to water

Question 6 1 point di Listen All of the following compounds are necessary components EXCEPT ATP ONADP water oxygen carbon dioxide 21

Question 2 4 Listen Where in a Chloroplast is ATP Made Stroma Epidermis Outer membrane Thylakoids

You put 2 gummy bears into the first solution Next your directions tells you that must also prepare a solution that mimics what happens when you place a freshwater organism in a saltwater aquarium Remember each gummy bear is 70 sugar 30 water Which of the following solutions should you make to mimic the scenario NOTE This brand of gummy bear will NOT dissolve in the water Only water and very small ions NOT sugar will move into or out of the gummy bear 00 sugar 100 water solution O 50 sugar 50 water solution O 70 sugar 30 water solution

Listen What structure is labeled as 4 2 3 4 Pedicle Vertebral arch Vertebral foramen Spinous process Body Facet Transverse process 5 6 7 Page 45 of 50

Where does pyruvate oxidation take place Be very specific 2 points In prokaryotic cells In eukaryotic cells D Step 3 Krebs Cycle In the Krebs Cycle 2 acetyl CoA carrying four of the carbons that were originally in glucose are oxidized into CO2 Fill in the blanks with the PRODUCTS of Krebs Cycle 2 5 points 2 acetyl CoA 2 carbons 6 H Where does Krebs cycle take place Be very specific 2 5 points In prokaryotic cells In eukaryotic cells

Part 1 Aerobic Respiration A Net equation of cellular aerobic respiration in prokaryotic cells vs eukaryotic cells Make sure to write the number of molecules that react For example 6 02 6 points In prokaryotes Glucose In eukaryotes Glucose enzymes enzymes