CAMPBELL BIOLOGY UH >CUSTOM< W/ACCESS
3rd Edition
ISBN: 9780135315064
Author: Taylor
Publisher: Pearson Custom Publishing
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Chapter 6, Problem 8TYK
In which of the following is the first molecule becoming reduced to the second molecule?
a. pyruvate → acetyl CoA
b. pyruvate → lactate
c. glucose → pyruvate
d. NADH + H+ → NAD+ + 2H
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What specific reaction cannot occur due to the presence of cyanide?
A.Transfer of electrons to co-enzymes
B.Inability to strip a carbon from pyruvate
C.Transfer of electrons to and between carrier proteins
D.Addition of a phosphate onto ADP to make ATP
Which of the following reactions is the most exergonic?
a
Conversion of PEP to Pyruvate
b
Conversion of Glucose-6-phosphate to Glucose
c
All of the reactions are equally exergonic.
d
Hydrolysis of ATP
What Is The Main Purpose Of Oxygen In Cellular Respiration?
A)Allowing For The Break Down Of Glucose In Pyruvate
B)Suppling Electrons To The Electron Transport Chain
C)Allowig For A Flow Of Electrons In The Electron Transport Chain
D)Oxidation Of Pyruvate To Acetyl COA
Chapter 6 Solutions
CAMPBELL BIOLOGY UH >CUSTOM< W/ACCESS
Ch. 6 - Fill in the blanks in this summary map to help you...Ch. 6 - A biochemist wanted to study how various...Ch. 6 - In glycolysis, _____ is oxidized and _____ is...Ch. 6 - Most of the CO2 from cellular respiration is...Ch. 6 - Which of the following is the most immediate...Ch. 6 - Which of the following is a true distinction...Ch. 6 - The poison cyanide binds to an electron carrier...Ch. 6 - In which of the following is the first molecule...Ch. 6 - Which of the three stages of cellular respiration...Ch. 6 - Compare and contrast fermentation as it occurs in...
Ch. 6 - Prob. 11TYKCh. 6 - Prob. 12TYKCh. 6 - Prob. 13TYKCh. 6 - Oxidative phosphorylation involves the flow of...Ch. 6 - In the citric acid cycle, an enzyme oxidizes...Ch. 6 - ATP synthase enzymes are found in the prokaryotic...Ch. 6 - Prob. 17TYKCh. 6 - For a short time in the 1930s, some physicians...Ch. 6 - Explain how the mechanism of brown fat metabolism...
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- How many moles of ATP is produced from the “processing” of one mole of acetyl CoA through the common metabolic pathway? a) 20 b) 16 c) 8 d) 10arrow_forwardWhich molecule has the greatest amount of potential energy? a. Pyruvate c. Glucose b. Acetyl CoA d. CO2arrow_forwardIf glucose labeled with 14C in C-1 is metabolized to ethanol and CO2 via fermentation, which carbon will contain 14C in: a. The CO2 b. the carbon atom carrying the OH of ethanol c. the carbonyl carbon atom of ethanol d. the methyl carbon atom of ethanolarrow_forward
- Fats can be broken down into acetyl CoA for use in the Krebs cycle. Fats can also a. be built from excess acetyl CoA for energy storage. b. function as an electron carrier in the electron transport chain. c. be broken down directly into ATP. d. be broken down directly into NADH.arrow_forwardWhich of the given process does not occur in mitochondria? a.Formation of acetyl CoA b.Oxidation of NADH + Ht c.Citric acid formation d.Conversion of pyruvic acid to acetaldehydearrow_forwardCyanide makes a bond to cytochrome in the electron transport chain located in the mitochondria, rendering the electron transport chain useless. The cyanide ingestion in death due to which of the following? a) Starvation, due to an inability to create glucose.b) Build up of lactic acid.c) Inability to take in oxygen through the lungs.d) Cellular death from lack of energy.arrow_forward
- Acetyl CoA is generated from ________. A. oxaloacetate B. pyruvic acid C. citric acid D. waterarrow_forwardWhich of the following is NOT a physiological role of phosphorus? Select one: a. Required for ossification of bones during embryonic development b. Required for enzymatic conversions in glycolysis c. Links together ribose sugars and their associated nitrogenous bases d. Important compound required to inhibit auto-oxidation of fatty acidsarrow_forwardWhat must occur before a fatty acid can be metabolized by cellular respiration? A)The fatty acids must be linked to glycerol and form a neutral fat. B)The fatty acid must be broken down into acetic acid, a two-carbon molecule. C)The fatty acid chain must be broken down into three-carbon molecules, pyruvic acid. D)The fatty acid must be broken down into amino acids before they can enter the Krebs cycle.arrow_forward
- The function of the citric acid cycle is to (a) produce energy during periods of active muscle contraction. (b) break six-carbon chains into three-carbon fragments. (c) prepare the glucose molecule for further reactions. (d) remove hydrogen atoms from organic molecules and transfer them to coenzymes.arrow_forwardStarting with acetyl-CoA in the mitochondria, how many ATP molecules are needed to synthesize a 14 C fatty acid? A. 3 B. 6 C. 9 D. 12arrow_forwardWhy is oxygen important in aerobic cellular respiration? a. Without oxygen, the Citric acid cycle will be disrupted b. Oxygen is the final electron acceptor during the electron transport chain c. they produce carbon dioxide and water d. It provides electrons during cellular respirationarrow_forward
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