Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Question
Chapter 20, Problem 21P
Interpretation Introduction
Interpretation:
A detailed description about C3 and C4 mechanisms would be necessary to make a comparison between them.
Concept introduction:
Photosynthesis is the process by which plants store energy from sunlight as chemical energy.The process happens in the chloroplast of a plant cell.There are two mechanisms by which the plants fixes CO2, that is, C3 and C4 cycle. Each green plant uses one of these two mechanisms.
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Students have asked these similar questions
20. Energy harvest. What is the yield of ATP when each of
the following substrates is completely oxidized to CO₂ by a
mammalian cell homogenate? Assume that glycolysis, the
citric acid cycle, and oxidative phosphorylation are fully
active.
(a) Pyruvate
(d) Phosphoenolpyruvate
(e) Galactose
(b) Lactate
(c) Fructose 1,6-bisphosphate (f) Dihydroxyacetone
phosphate
PLS ASNWER ALL. CHOOSE THE CORRECT LETTER
1.What is the mechanism of ATP synthesis in glycolysis?substrate level phosphorylationoxidative phosphorylationA. reductionB. oxidation
2.What is the net ATP yield of the complete glycolysis of 5 molecules of glucose?A.10B. 12C. 5
D.4
Help is appreciated. Think of an unusual eukaryotic species in which its ATP synthase has 12 subunits for its c ring. How many ATP molecules can be produced per pair of electrons that traverse the respiratory chian starting at Complex I?
A. 2 ATP/2e-
B. 1 ATP/2e-
C. 0.5 ATP/2e-
D. 1.5 ATP/2e-
E. 3 ATP/2e-
Chapter 20 Solutions
Biochemistry
Ch. 20 - Prob. 1PCh. 20 - Prob. 2PCh. 20 - Prob. 3PCh. 20 - Prob. 4PCh. 20 - Prob. 5PCh. 20 - Prob. 6PCh. 20 - Prob. 7PCh. 20 - Prob. 8PCh. 20 - Prob. 9PCh. 20 - Prob. 10P
Ch. 20 - Prob. 11PCh. 20 - Prob. 12PCh. 20 - Prob. 13PCh. 20 - Prob. 14PCh. 20 - Prob. 15PCh. 20 - Prob. 16PCh. 20 - Prob. 17PCh. 20 - Prob. 18PCh. 20 - Prob. 19PCh. 20 - Prob. 20PCh. 20 - Prob. 21PCh. 20 - Prob. 22PCh. 20 - Prob. 23PCh. 20 - Prob. 24PCh. 20 - Prob. 25PCh. 20 - Prob. 26PCh. 20 - Prob. 27PCh. 20 - Prob. 28PCh. 20 - Prob. 29PCh. 20 - Prob. 30PCh. 20 - Prob. 31PCh. 20 - Prob. 32PCh. 20 - Prob. 33PCh. 20 - Prob. 34PCh. 20 - Prob. 35PCh. 20 - Prob. 36PCh. 20 - Prob. 37PCh. 20 - Prob. 38PCh. 20 - Prob. 39PCh. 20 - Prob. 40PCh. 20 - Prob. 41PCh. 20 - Prob. 42PCh. 20 - Prob. 43PCh. 20 - Prob. 44PCh. 20 - Prob. 45PCh. 20 - Prob. 46PCh. 20 - Prob. 47PCh. 20 - Prob. 48P
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- Photosyntheis related question (s): When protons move out of the thylakoid, are they moving up or down their concentration gradient? (From low to high concentration or from high to low concentration?) What protein(s) facilitate the transport of protons out of the thylakoid? We can write the formula for photosynthesis as follows: 6 H2O + 6 CO2 + light energy → C6H12O6 + 6 O2 How would you write a formula for the light reactions? Include ATP, ADP, NADP and NADPH as relevant? How would you write a formula for the Calvin cycle? Include ATP, ADP, NADP and NADPH as relevant.arrow_forwardThank you in advance!Based on the model on the picture, please help me identify these (even with no explanation): 4 What are the factors that affect △G? 5. What is energy coupling? In a coupling reaction, what must be the overall value of △G? 6. What does the cell do with the energy produced from exergonic reactions? 7. What molecule does the cell use as an energy carrier? Draw its structure. 8. Why is it that this energy carrier is considered to be high energy containing phosphate? 9. Bond of this energy carrier of cells is broken through what?arrow_forwardSelect all that apply. Which of the following are coenzymes used in oxidation-reduction reactions? O FMN O FAD O NADP* O ATP NADarrow_forward
- Prelab 8 - Respiration You have learned that in glycolysis and the Kreb's cycle, the compound NAD is reduced to form NADH. The hydrogen added on the end of the formula is an indication that NAD has been reduced. As you read in the textb0ook section on oxidative phosphorylation, a series of redox reactions oxidize NADH back to NAD. All redox reactions are paired oxidation and reduction reactions, so what was reduced? Ultimately O2 is reduced to H2O (note the addition of hydrogen due to reduction). Oxygen is said to be the final electron acceptor, as no further redox reactions take place. In lab we will again look at differences among bacteria in their metabolism as a way to distinguish different species. First we will look at anaerobic respiration. When oxygen levels are low, some microbe can use a different compound than oxygen as their final electron acceptor. Sulfate SO,, carbonate CO3²", and nitrate NO; are all common alternatives, rich in oxygen, which can accept those electrons.…arrow_forward6E. Draw a reaction coordinate diagram describing the different steps of ATP synthase catalysis, comparing the relative free energy of each state. What is the rate-limiting step in ATP synthase catalysis in the direction of ATP synthesis?arrow_forward1a. How much ATP is directly produced during glycolysis from one glucose? 1b. How much ATP is directly produced during the citric acid cycle from one glucose?1c. How many NADH are made during glycolysis from one glucose? 1d. How many NADH are made during the citric acid cycle from one glucose? 1e. How many FADH2 are made during the citric acid cycle from one glucose?arrow_forward
- Pls answer 1. What are the net products of glycolysis of 1 glucose molecule? Include the quantities 2. What are the 2 possible pathways that a cell will undergo if the amount of oxygen in the cell is depleted? 3. How many ATP molecules can be produced from 4 molecules of Acetyl CoA if all of them enter the Kreb's Cycle? Assume all the energy yielding products enters the electron transport chain.arrow_forwardI. ATP Calculation A. Given that three molecules of glucose underwent full oxidation, how many of the following is produced in each phase? Show your solutions. Glycolysis NADH FADH₂ ATP NADH FADH2 A B C ATP (Substrate Level) SUM TOTAL J K D E [1] F Pyruvate Oxidation F If this happens in the liver, how many ATPs will be synthesized if all NADH and FADH₂ entered ETC.. Total number L M N G H I O Kreb's Cycle ATP Producedarrow_forwardMatching (Letters may be used twice) DD DDD DD Where is the electron transport chain located? Where does the Krebs cycle occur? What membrane do protons cross in the synthesis of ATP? Where does glycolysis occur? Where does the oxidation of pyruvate occur? Where does the most substrate level phosphorylation occur? Where is most NADH oxidized to NAD+? What membrane does glucose have to cross? 1. Cell membrane 2. nucleus 3. intermembrane space 4. mitochondrial matrix 5. chloroplast 6. cytoplasm 7. outer mitochondrial membrane 8. inner mitochondrial membranearrow_forward
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