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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Chapter 18, Problem 3P
Interpretation Introduction
Interpretation:
Final electron acceptor in ETC.
Concept introduction:
An electron transport chain (ETC) is the series of
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Take a deep breath and relax. The oxygen that you breathe in is directly consumed by the _____ in the ______.
Select one:
a.
cytochrome oxidase complex, electron transport chain
b.
NADH reductase complex, electron transport chain
c.
an iron-containing ubiquinone protein, electron transport chain
d.
NADH reductase complex, Kreb’s Cycle
e.
Cytochrome oxidase comples, Kreb’s Cycle
Clear my choice
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-
The following structure is ATP synthase.
Which of the following statements is NOT
true for the ATP synthase?
B
b2
6
a
В
a
Y
E
H+
α
C10
B
ATP
ADP + Pi
N side
800000
P side
Chapter 18 Solutions
Biochemistry
Ch. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - Prob. 4PCh. 18 - Prob. 5PCh. 18 - Prob. 6PCh. 18 - Prob. 7PCh. 18 - Prob. 8PCh. 18 - Prob. 9PCh. 18 - Prob. 10P
Ch. 18 - Prob. 11PCh. 18 - Prob. 12PCh. 18 - Prob. 13PCh. 18 - Prob. 14PCh. 18 - Prob. 15PCh. 18 - Prob. 16PCh. 18 - Prob. 17PCh. 18 - Prob. 18PCh. 18 - Prob. 19PCh. 18 - Prob. 20PCh. 18 - Prob. 21PCh. 18 - Prob. 22PCh. 18 - Prob. 23PCh. 18 - Prob. 24PCh. 18 - Prob. 25PCh. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Prob. 32PCh. 18 - Prob. 33PCh. 18 - Prob. 34PCh. 18 - Prob. 35PCh. 18 - Prob. 36PCh. 18 - Prob. 37PCh. 18 - Prob. 38PCh. 18 - Prob. 39PCh. 18 - Prob. 40PCh. 18 - Prob. 41PCh. 18 - Prob. 42PCh. 18 - Prob. 43PCh. 18 - Prob. 44PCh. 18 - Prob. 45PCh. 18 - Prob. 46PCh. 18 - Prob. 47PCh. 18 - Prob. 48PCh. 18 - Prob. 49PCh. 18 - Prob. 50PCh. 18 - Prob. 51PCh. 18 - Prob. 52PCh. 18 - Prob. 53PCh. 18 - Prob. 54PCh. 18 - Prob. 55PCh. 18 - Prob. 56PCh. 18 - Prob. 57PCh. 18 - Prob. 58PCh. 18 - Prob. 59P
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- Chemical energy. The diagram below shows a metabolic pathway that occurs in chloroplasts during photosynthesis. ribulose bisphosphate (RuBP) ADP + P₁ carbon dioxide (CO₂) 1 X HINEW ribulose-1,5-bisphosphate carboxylase-oxygenase (RuBisCo) glucose triose phosphate (TP) State two features of metabolic pathways? two key features of metabolic pathways glycerate-3-phosphate (GP) are their -X ADP + P₁ interconnectednearrow_forwardFollowing glycolysis. Most of the energy from the original glucose is in the form of: A. CO2 B. H2O C. ATP D. pyruvic or lactic acid E. high-energy electrons that are associated with electron carriers.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
- Butch Cassidy and the Sundance Kid. Glutamate dehydrogenase requires which of the following cofactors: a. NAD+/NADP+NAD*/NADP+ b. Pyridoxal phosphate c. Thiamine pyrophosphate d. Biopterinarrow_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 A B C Pyruvate Oxidation D E F G H I Kreb's Cyclearrow_forwardSmall explanation please. what is a product in the first stage of the Q- cycle? a. two electrons b. Q- cation c. cyt c (oxidized) d. two more protons in the matrix e. Q- radical anionarrow_forward
- Following glycolysis. Most of the energy from the original glucose is in the form of: O A. high-energy electrons that are associated with electron carriers. О В. АТР О С. Н20 D. CO2 O E. pyruvic or lactic acid A Moving to another question will save this response.arrow_forwardLong explanations are NOT NEEDED. ATP accounting. Consider 1 molecule of the sucrose (monomeric units: glucose and fructose) that will undergo complete oxidation. a. Number of pyruvate molecules after glycolysis.b. Net ATP produced in glycolysis only (via substrate-level phosphorylation).c. Number of NADH produced using the pyruvate dehydrogenase complex reaction.d. Number of NADH and FADH2 produced from Krebs cycle.e. Net ATP produced (complete oxidation via Malate aspartate shuttle).arrow_forwardMultiple Matching. Match the process a, b, or c with the metabolicevents in the list.a. glycolysisb. Krebs cyclec. electron transport/oxidative phosphorylation__________H+ and e− are delivered to O2 as the final acceptor.__________Pyruvic acid is formed.__________ATP is formed.__________H2O is produced.__________CO2 is formed.__________Fructose diphosphate is split into two 3-carbon fragments.__________NADH is oxidized.__________ATP synthase is active.arrow_forward
- I. 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_forwardgoes. In order to summarize Cellular Respiration reactions, draw FIVE big boxes in a line down the middle of your page. Write 1) Glycolysis, 2) Pyruvate Oxidation, 3) Citric Acid Cycle, 4) Electron Transport Chain, and 5) Chemiosmosis inside these boxes. Below each process name write WHERE it occurs. Make arrows going in and out of each box. Write IN and OUT on top of the page above the arrows. Each box represent multistep processes. You are focusing on the INPUTS and OUTPUTS. A. First focus on the flow of ENERGY. For each box write the INPUT and OUTPUT – the molecule(s) or form that contain the potential energy. B. Next, in a different color of ink (or highlighter) focus on the flow of ELECTRONS. For each box write the molecule(s) that carry the electrons from which you are harnessing energy. C. And finally, in a third color of ink (or highlighter) focus on the flow of CARBON. For each box write the carbon molecule (if any) from which you are harnessing energy.arrow_forwardThis is the ATP accounting question. You are limited to the carbon in the following molecules: One xylulose 5-phosphate, One glyceraldehyde 3-phosphate, One sedoheptulose 7-phosphate, 1 Oxaloacetate, and 3 carbon dioxide A) Disregard regulation completely regarding pathway activity, using only the enzymes of glycolysis, pentose phosphate pathway, and citric acid cycle, what is the maximum ATP one can generate with these molecules? B) Disregard regulation completely regarding pathway activity, using only the enzymes of glycolysis, Calvin- Benson-Bassham cycle, and citric acid cycle, what is the maximum ATP one can generate with these molecules (in this instance only, you also are given 3 ATP and note that you do NOT need to regenerate substrates for rubisco once you get through this enzyme).arrow_forward
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