Plant Physiology - Photosynthesis Questions and Answers

Time left 0 28 Match the terms with the appropriate number on the specimen provide below Rhizoids Gemmae cups Sporophyte Thallus 2 Archegoniophore Choose Choose Choose Choose Choose FIRST 3 64 5

O ne linking the 2nd phosphate to the 3rd phosphate The bond linking 1st phosphate to adenine Either of the bonds on the terminal phosphate Question 5 MA In which organisms does glycolysis occur Neither aerobic nor anaerobic organisms Both aerobic and anaerobic organisms Aerobic organisms only Anaerobic organisms only

The hydrolysis breakdown of ATP to ADP is a n reaction unfavorable exergonic endergonic

Question 7 The oxidizing agent during glycolysis is NAD pyruvate NADH

the process of transduction usually begins when when the signal molecule or ligand attaches the receptor protein and changes the receptor in some way after the target cell divides after the third stage of cell signaling is completed when the hormone is released from the gland into the blood

The phenotypic ratio resulting from a DIHYBRID showing independent assortment is expected to and the phenotypic ratio resulting from a MONOHYBRID cross showing independent assortment is expected to be be 3 1 9 3 3 1 9 3 3 13 1

Questions 7 13 refer to the following summary diagram of photosynthesis Examine the diagram thoroughly and identify each one of the numbered components Hint it might be beneficial to NOT identify them in numerical order rather focus on things you know like what goes in and what comes out of each stage as you summarized listed in questions 4 6 Light Reactions 7 1 represents 8 2 represents 9 3 represents 10 4 represents 11 5 represents 12 6 represents 13 7 represents 5 NADP Calvin cycle glucose

6 Fill in the table below Are the compounds Photosystem I Photosystem II The Calvin cycle listed here used or produced in Glucose 0 CO H O ATP ADP P NADPH NADP

Exercise 1 Download and listen to the Photosynthesis lecture posted in Canvas For this exercise you need to submit YOUR written notes taken from this lecture Headings in your notes should include the slide number followed by the notes taken for that slide These notes should be detailed Exercise II Complete the following activity using your textbook and notes from the Photosynthesis lecture from class as instructed in above in exercise I 1 Define autotrophic and heterotrophic nutrition 2 Write the definition for photosynthesis and provide a summary equation 3 Explain the role of redox reactions in photosynthesis 4 Summarize the two main stages of photosynthesis 5 Fill in the table below a What is are the overall function s of photosystem I b What is are the overall function s of photosystem II c What is are the overall function s of the Calvin cycle

20 7pts What is the limiting reagent during glycolysis under anaerobic conditions Describe the pathway by which this reagent is replenished under anaerobic conditions in yeast Provide the chemical structure s and enzyme name s

As pyruvate is converted to ethanol the following statement is true pyruvate is reduced to ethanol and NAD is oxidized to NADH pyruvate is oxidized to ethanol and NADH is oxidized to NAD O pyruvate is reduced to ethanol and NADH is oxidized to NAD O pyruvate is oxidized to ethanol and NAD is reduced to NADH

Which statement is the most true O triose phosphate isomerase is not used during gluconeogenesis in humans lactate lactic acid is formed as part of a reaction to regenerate NAD O An increase in 2 6 fructosebisphosphate would decrease phosphofructokinase activ PEP carboxykinase is an enzyme necessary for glycogenolysis

The light independent reactions of photosynthesis are those that O convert glucose into energy convert chlorophylls into light energy convert water into hydrogen and oxygen convert CO2 into reduced molecules sugars occur only at night

9 10 ATP Takes place 7 makes 11 Photosynthesis Light Dependent Uses oxygen Photosynthesis 8 Takes plate in 2 6060 3 ADP P Uses 5 makes 535 6 glucose 1 A ATP B Carbon Dioxide C NADP D Calvin cycle E Photosystem I

16 The following figure is generated from data collected from an experiment in which the Minimum Inhibitory Concentration MIC of a series of antiseptics and disinfectants was determined against Staphylococcus aureus Gram positive E coli Gram negative and Pseudomonas aeruginosa Gram negative Use the figure below to determine which of the following statements is TRUE TABLE 6 MIC of some antiseptics and disinfectants against gram positive and gram negative bacteria Chemical agent Benzalkonium chloride Benzethonium chloride Cetrimide Chlorhexidine Hexachlorophene Phenol o Phenylphenol Propamine isethionate Dibromopropamidine isethionate Triclosan S aureus 0 5 0 5 4 0 5 1 0 5 2 000 100 2 1 0 1 MIC ng ml for E coli P aeruginosa 50 32 16 1 12 5 2 000 500 64 4 5 250 250 64 128 5 60 250 2 000 1 000 256 32 300 Based on references 226 and 440 MICs of cationic agents for some MRSA strains may be higher see Table 10 a Generally lower concentrations of disinfectants antiseptics are necessary to kill Gram positive organisms when compared to Gram negative organisms b E coli is resistant to Triclosan c Cetrimide is not an effective disinfectant d Hexachlorophene is bacteriostatic for Gram positive organisms but bacteriocidal when used against Gram negative organisms 17 Which best describes microaerophiles a They require both atmospheric oxygen and CO levels to grow b They cannot grow in the presence of oxygen c They can grow in the presence of oxygen but will not use oxygen d They require oxygen to grow but the levels must lower than the concentration typically

Click and drag on elements in order Order the complexes in the electron transport chain from first electrons enter to last electrons exit Start at the top i Instructions NADH dehydrogenase The cytochrome oxidase complex The bc complex

regenerates NADH from NAD regenerates NAD from NADH generates ATP O produces acetyl CoA Question 16 1 point Saved 4 Usten Which of the following is NOT true of the citric acid cycle it serves to provide a majority of reduced coenzymes to the electron transport system it produces CO2 it serves to produce a small amount of ATP All of the above is true

The chemiosmotic model of ATP synthesis is based on each of the following lines of experimental evidence except artificial proton gradients established by addition of acid can drive ATP synthesis in the absence of electron transport the proton gradient established by electron transport has enough energy to drive ATP synthesis electron transport causes protons to be pumped out of the mitochondria oxidative phosphorylation does not require a membrane enclosed compartment

The sequential process of fatty acid catabolism to acetyl CoA is called the citric acid cycle the glyoxylate cycle the oxidative phosphorylation pathway the B oxidation pathway

Regarding oxidative phosphorylation all is true EXCEPT ATP synthesis is dependent on electron transport uncouplers allow continued electron transport in the absence of ATP synthesis electron transport is dependent on ATP synthesis it involves the creation of a proton pump gradient

Consider the three phases of glycolysis 1 preparation and cleavage Gly 1 to Gly 5 2 oxidation Gly 6 to Gly 7 3 pyruvate formation Gly 8 to Gly 10 Which of these phases produces ATP 01 1 and 2 O2 and 3 0

During aerobic cellular respiration which of the following substances directly donates hydrogens to the electron transport chain at the lowest energy level O FAD FADH O NADH NAD O Pyruvate

Most of the energy that enters the electron transport chain enters as O ATP NADH and FADH none of the answers is correct AcetlyCo A glucose

If we want to stop global warming what should we do We should decrease We should increase How is carbon cycled throughout the atmosphere

Can you please make a question about glycolysis in boday and answer it in your own words

Can the citric acid cycle be simplified or broken down into fewer steps

From 1 Acetly Co A what is produced O1 glucose O 2ATP 2NADH and 3 ATP O 1ATP 1FADH2 3NADH O 2ATP 2FADH2 6NADH

the proton gradient established by electron transport has enough energy to drive ATP synthesis True False Question 19 0 5 points Listen acetyl CoA is a product of the citric acid cycle True False Question 20 0 5 points Listen As pyruvate is prepared for the citric acid cycle it undergoes a process of oxidative decarboxylation

Which will produce more ATP Pyruvate oxidation Krebs cycle Oxidative phosphorylation Glycolysis Question 2 0 5 points 1 Listen How many NADH and FADH2 will enter the ETC from 1 molecule of glucose 6 NADH 2FADH2 6 NADH 1 FADH2 10NADH 2 FADH2 10 NADH 1 FADH2

ATP synthase in part of the fedrmentation electron transport chain glycolysis citric cycle

Photosynthesis

Frequency 0 8 0 6 0 4 0 2 0 Generation 5 1 Allele and Phenotype Frequencies 2 3 Generation 4 5 Red Allele Blue Allele Red Phenotype Purple Phenotype Blue Phenotype A

Neth Cellular respiration H O NADH Oxygen in H NADH Pynner 000 000 Krebs cyde ATP CO Oxidative phosphorylation Cytoplasm FADH and NADH Outer mitochondrial membrane trix Intermembrane space 415 Match each of these steps in respiration with the reduced product s formed in each case In other words what molecule ends up with the electrons after each step Drag each item on the left to its matching item on the right Inner mitochondrial membrane Matrix glycolysis oxidative phosphorylation lo Question I know You can g 100 points Acti View Ac 1 Cur 1 Yous been Questic

Chapter 5 Page s 91 92 5 1 Explain how photosynthesis and cellular respiration support life on Earth Which of the following statements is are true and which is are false True Drag appropriate answer s here Photosynthetic organisms don t undergo cellular respiration There are both eukaryotic and prokaryotic photosynthesizers Photosynthetic organisms use ATP Photosynthetic organisms build glucose molecules Prokaryotic organisms breathe and undergo cellular respiration There would be no life on Earth without photosynthesis propriate answer s here

ePage s 95 96 5 5 Label a diagram of the light dependent and the light independent reactions of photosynthesis Electrons from the high energy electron donor NADPH get donated to which compound Click on the correct answer Water Oxygen Light Click or tap the appropriate place in the image Thylakoid membrane 1000 ATP NADPH NADP ADP Carbon dioxide Calvin cycle Glucose

Which of the following use up energy Correct Answer s building chemical bonds photosynthesis breaking chemical bonds Drag appropriate answer s here anabolic processes catabolic processes Drag appropriate answer s here

Which of the following is are necessary components of photosynthesis Correct Answer s chlorophyll chloroplasts light energy Incorrect Answer s oxygen Calvin cycle water

What should you do as you approach a curve in the road O Shift your weight behind the wheel O Put on your four way flashers Reduce your speed before you enter the curve

Write the names of the reactants and products of photosynthesis and chemosynthes Light Energy Chemical Energy

6 4 Which of the following processes removes carbon from the air and uses 1 poi it to make organic compounds O combustion decomposition photosynthesis respiration

2 4 Which of the following substances is used by plants as a reactant in photosynthesis Oglucose O carbon dioxide O oxygen O pyruvic acid

Listen Carbon dioxide is split to form oxygen gas and carbon compounds in which of the following metabolic pathways only photosynthesis only respiration Ophotosynthesis and respiration neither photosynthesis nor respiration

During graduate school I identified a mutation in a gene in fruit flies we named the gene sugar free frosting that encodes an enzyme called SAD kinase What type of reaction does this enzyme catalyze Selected answer will be automatically saved For keyboard navigation press up down arrow keys to select an answer a b C SAD kinase dephosphorylates its substrate SAD kinase phosphorylates its substrate SAD kinase s substrate and product are isomers of each other

What is the function of a thioester intermediate such as the one formed from Glyceraldehyde 3 phosphate Selected answer will be automatically saved For keyboard navigation press up down arrow keys to select an answer a b C The thioester prevents the formation of metabolically unfavorable side products e The thioester shifts the equilibrium of the first stage of the reaction The thioester intermediate induces a conformational change that alters the enzyme specificity d It speeds up the actual reaction so that more product can be made The thioester allows the two step reaction to be coupled so the second reaction the energetically unfavorable phosphorylation can proceed

Question 7 1 poin The energy of movement of electrons down the electron photosystem I is used to generate OATP NADPH CO2 02

Question 5 1 point 4 Listen All of the following molecules are necessary components of photosynthetic process except ATP NADPH oxygen carbon dioxide

Question 4 1 point 4 Listen Specifically molecules of chlorophyll are located in the membranes of Ostoma Othylakoids stroma Ograna vesicles Previous Page Next Page Pag

Which of the following correctly describes the work done by Hershey and Chase DNA was labeled with 32p RNA was not included in this experiment Proteins were labeled with 355 When DNA was labeled the pellet at the end was radioactive Capsids did not enter the bacterial cells

Part A Fill in the blanks of the following paragraph Match the numbers in the left column to the appropriate blanks in the sentence on the right Not all numbers will be used Submit 3 Provide Feedback 6 9 12 18 36 Request Answer Reset Help To synthesize one glucose molecule the Calvin cycle uses molecules of molecules CO of ATP and molecules of NADPH

Chlorophyll can be found in D O O B Submit B and E A and C B and D B and C A and B Previous Answers Request Answer X Incorrect Try Again One attempt remaining This choice is partially correct