BIOCHEMISTRY 2 TERM ACCESS
9th Edition
ISBN: 9781319402877
Author: BERG
Publisher: MAC HIGHER
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Question
Chapter 16, Problem 48P
Interpretation Introduction
Interpretation:
The reason for regeneration of NAD+.
Concept introduction:
During the process of glycolysis, glucose is broken down into two molecules of ATP. During this process, two ATP and two NADH molecules are released. Under anaerobic conditions, this pyruvate is converted into lactic acid by the process of lactic acid fermentation.
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Long explanations are NOT NEEDED. Answer only d and e.
ATP accounting.
Consider 1 molecule of the sucrose (monomeric units: glucose and fructose) that will undergo complete oxidation.
-Number of pyruvate molecules after glycolysis is 4.-Net ATP produced in glycolysis only (via substrate-level phosphorylation) is 2.-Number of NADH produced using the pyruvate dehydrogenase complex reaction is 1.
Now find:d. Number of NADH and FADH2 produced from Krebs cycle.e. Net ATP produced (complete oxidation via Malate aspartate shuttle).
Atp bookkeeping. Explain where the number of 38 and 32 atp per glucose molecules comes from
The last stop. The final electron acceptor for the electron-transport
chain is which of the following? do
a. 0202
b. Coenzyme Q
с. СО2СО,
d. NAD+NAD+
Chapter 16 Solutions
BIOCHEMISTRY 2 TERM ACCESS
Ch. 16 - Prob. 1PCh. 16 - Prob. 2PCh. 16 - Prob. 3PCh. 16 - Prob. 4PCh. 16 - Prob. 5PCh. 16 - Prob. 6PCh. 16 - Prob. 7PCh. 16 - Prob. 8PCh. 16 - Prob. 9PCh. 16 - Prob. 10P
Ch. 16 - Prob. 11PCh. 16 - Prob. 12PCh. 16 - Prob. 13PCh. 16 - Prob. 14PCh. 16 - Prob. 15PCh. 16 - Prob. 16PCh. 16 - Prob. 17PCh. 16 - Prob. 18PCh. 16 - Prob. 19PCh. 16 - Prob. 20PCh. 16 - Prob. 21PCh. 16 - Prob. 22PCh. 16 - Prob. 23PCh. 16 - Prob. 24PCh. 16 - Prob. 25PCh. 16 - Prob. 26PCh. 16 - Prob. 27PCh. 16 - Prob. 28PCh. 16 - Prob. 29PCh. 16 - Prob. 30PCh. 16 - Prob. 31PCh. 16 - Prob. 32PCh. 16 - Prob. 33PCh. 16 - Prob. 34PCh. 16 - Prob. 35PCh. 16 - Prob. 36PCh. 16 - Prob. 37PCh. 16 - Prob. 38PCh. 16 - Prob. 39PCh. 16 - Prob. 40PCh. 16 - Prob. 41PCh. 16 - Prob. 42PCh. 16 - Prob. 43PCh. 16 - Prob. 44PCh. 16 - Prob. 45PCh. 16 - Prob. 46PCh. 16 - Prob. 47PCh. 16 - Prob. 48PCh. 16 - Prob. 49PCh. 16 - Prob. 50PCh. 16 - Prob. 51PCh. 16 - Prob. 52PCh. 16 - Prob. 53PCh. 16 - Prob. 54PCh. 16 - Prob. 55PCh. 16 - Prob. 56PCh. 16 - Prob. 57PCh. 16 - Prob. 58PCh. 16 - Prob. 59PCh. 16 - Prob. 60PCh. 16 - Prob. 61P
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Similar questions
- Long 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_forwardBIOCHEMISTRY. Could glycerol be used to regenerate the OAA for maintenance of TCA cycle activity? Yes or No? Explain.arrow_forwardNeed help ASAP. Describe the steps by which the F0 portion of the ATP synthase harnesses the proton-motive force to help synthesize ATP. What would you expect to observe if the proton gradient were reversed? Explain your answer.arrow_forward
- Reductive power. What ratio of NADPH to NADP+ is required to sustain [GSH] = 10 mM and [GSSG] = 1 mM ? Use the redox potentials given in Table 18.1 .arrow_forwardInstructions. Given each set of information which may include common name(s) and the reaction catalyzed, you are required to identify the main class of the specific enzyme described. Name: citryl-CoA synthetase Reaction: ATP + citrate + CoA = ADP + phosphate + (3S)-citryl-CoA Name: D-xylulose reductase Reaction: xylitol + NAD+ = D-xylulose + NADH + H+ Name: cellobiose phosphorylase Reaction: cellobiose phosphate = α-D-glucose 1-phosphate + D-glucose Name: carbonic anhydrase Reaction: H2CO3 = CO2 + H2O Other info: The enzyme catalyzes the reversible hydration of gaseous CO2 to carbonic acid, which dissociates to give hydrogencarbonate above neutral pH. Name: pantoate activating enzyme Reaction: ATP + (R)-pantoate = AMP + diphosphate + (R)-pantothenate.arrow_forwardDraw Glycolysis. Please make sure to state all the enzymes and co-factors for each step of the pathway.arrow_forward
- ATP yield. Each of the following molecules is processed by glycolysis to lactate. How much ATP is generated from each molecule?arrow_forward. Pyruvate can be processed under anaerobic conditions to ethanol (in yeast) or to lactate (in mammals), as shown. Explain the primary purpose of these reactions. Describe the major biochemical features of each reactionarrow_forwardLong explanations are NOT NEEDED. ATP accounting. Consider 1 molecule of the sucrose (monomeric units: glucose and fructose) that will undergo complete oxidation. d. Number of NADH and FADH2 produced from Krebs cycle.e. Net ATP produced (complete oxidation via Malate aspartate shuttle).arrow_forward
- Just obeying the laws. Why do isolated F1F1 subunits of ATP synthase de catalyze ATP hydrolysis?arrow_forwardTracing glucose. Glucose labeled with 14 C at C-6 is added to a solution containing the enzymes and cofactors of the oxidative phase of the pentose phosphate pathway. What is the fate of the radioactive label?arrow_forwardFo-F1 ATPase. The energy for ATP synthesis from ADP and Pi is provided by the downhill transport of protons through the rotary FoF1 ATP synthase (lecture 22). The enzyme has 3 a-b and 12 ‘c’ subunits. The mitochondrion maintains Df=180 mV (negative inside), pHin = 8, pHout=7, [Pi] = 3 mM and ADP is present as well. How much energy is available (from the proton electrochemical gradient) for ATP synthesis under these conditions (in kJ/mol)? What [ATP]/[ADP] ratio will be established at steady-state under these conditions? What would be the [ATP]/[ADP] ratio if the enzyme had only 9 ‘c’ subunits? Remember that full revolution of the crank (gamma subunit) produces 3 ATP.arrow_forward
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