Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 9, Problem 7IQ
Fill in the blanks in the following diagram of the citric acid cycle. Gray balls represent carbon atoms.
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The image below shows the citric acid cycle. Reactions (3) and (4) are referred to as
"oxidative". What does this mean? Select the correct statement
Dehydrogenation
HO–CH
Malate
Hydration
H₂O
malate
coo- dehydro-
genase
CH₂
1/ COO
0-c-coo
ÇOO™
Fumarate CH
HC
fumarase
CH₂-COO™
Oxaloacetate
FADH₂
Succinate
succinate
dehydrogenase
Dehydrogenation CH₂-COO-
CH ₂
COO™
CoA-SH
Acetyl-CoA
GTP
(ATP)
CH3-C-S-COA H₂O
(5)
Substrate-level
phosphorylation
succinyl-CoA
synthetase
citrate
synthase
Citric acid
cycle
Figure 16-7
Lehringer Brinciples of Biochemistry Fifth Edition
Condensation
NADH
CH₂-COO™
CH₂
GDP C-S-COA
(ADP) O
+ P₁
CoA-SH
CH₂-COO™
HỌ—C—C00
2a
CH₂-COO Dehydration
Citrate
H₂O
CO2
aconitase
a-ketoglutarate
dehydrogenase
CoA-SH
CH₂-COO™
C-COO-
-COO
aconitase
HO-C-H
isocitrate
dehydrogenase/ Coo-
complex CH₂-COO
CH₂
C=O
COO™
H₂O
Ho
CH₂-COO™
Oxidative
Succinyl-CoA decarboxylation
H-C-COO
cis-Aconitate
CO₂
(2b)
Hydration
Isocitrate
Oxidative
decarboxylation
a-ketoglutarate
List the main features of the citric acid cycle
What is the citric acid cycle? Provide a schematic diagram of the citric acid cycle with chemical structures of each compound in the cycle. Indicate the cofactors and products at each step as well as the name of each of the enzymes involved.
Chapter 9 Solutions
Study Guide for Campbell Biology
Ch. 9 - Fill in the following summary equation for...Ch. 9 - Fill in the appropriate terms in the following...Ch. 9 - a. In the conversion of glucose and O2 to CO2 and...Ch. 9 - a. NAD+ is called a(n) ____________________. b....Ch. 9 - Fill in the three stages of cellular respiration...Ch. 9 - Fill in the blanks in the following summary...Ch. 9 - Fill in the blanks in the following diagram of the...Ch. 9 - Label the following diagram of oxidative...Ch. 9 - Fill in the following tally for the maximum ATP...Ch. 9 - How much more ATP can be generated by aerobic...
Ch. 9 - This chapter describes how catabolic pathways...Ch. 9 - Prob. 2SYKCh. 9 - Fill in the following table to summarize...Ch. 9 - When electrons move closer to a more...Ch. 9 - In the reaction C6H12O6 + 6 O2 6 CO2 + 6 H2O, a....Ch. 9 - In which of the following conversions is the first...Ch. 9 - Some prokaryotes use anaerobic respiration, a...Ch. 9 - Which of the following reactions is incorrectly...Ch. 9 - In which organelle of a plant cell does the citric...Ch. 9 - Which of the following compounds produces the most...Ch. 9 - Aerobic eukaryotes produce CO2 as a by-product...Ch. 9 - Which of the following statements correctly...Ch. 9 - In the electron transport system, H+ ions are...Ch. 9 - When glucose is oxidized to CO2 and water,...Ch. 9 - The energy required for the chemiosmotic synthesis...Ch. 9 - Which of the following statements correctly...Ch. 9 - The citric acid cycle is best described as a. the...Ch. 9 - Fermentation produces less ATP than cellular...Ch. 9 - If muscle cells do not receive enough oxygen from...Ch. 9 - Glucose made from six radioactively labeled carbon...Ch. 9 - Glycolysis is considered one of the first...Ch. 9 - Which of the following substances produces the...Ch. 9 - Fats and proteins can be used as fuel in the cell...Ch. 9 - Which of the following statements is false...Ch. 9 - Brown fat, which is found in newborn infants and...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Describe the citric acid cycle. In how many steps does it take place? What is the substrate? What are the products? Where does it happen?arrow_forwardDescribe two important roles of the citric acid cycle.arrow_forwardmatch the cofactor with its function in the citric acid cycle by entering the number corresponding with the function. A given function may be used more than one time or not at all. Use from the following list of functions to fill in the table below: carries O2 carries small carbon-containing molecules carries e- carries small nitrogen-containing molecules Cofactor Function NAD+/NADH FAD/FADH2 CoA thiamine biotinarrow_forward
- Does any step of the citric acid cycle directly produce ATP? Explain.arrow_forwardName the molecules that conserve most of the energy from the redox reactions of the citric acid cycle (see Figure 9.12). How is this energy converted to a form that can be used to make ATP?arrow_forwardUsing the following diagram, a. name all the steps in citric acid cycle. (What are the intermediates) b. Is glycolysis endothermic or exothermic. Thanksarrow_forward
- What is the significance of substrate-level phosphorylation reactions? Which of the reactions in the citric acid cycle involve a substrate-level phosphorylation? Name another example from a biochemical pathway with which you are familiar.arrow_forwardThere are eight chemical reactions that occur in the citric acid cycle process. The reactions of the citric acid cycle are shown in the figure below. Several classes of organic reactions like these classes include esterification, decarboxylation, hydration reactions, dehydration of alcohols, oxidation of alcohols, oxidation of aldehydes, reduction of aldehydes, and reduction of ketones. Find at least one of these reaction classes in the citric acid cycle. List the reaction number and the reaction. Write a sentence or two on how you were able to make the classification.arrow_forwardThere are eight chemical reactions that occur in the citric acid cycle process. The reactions of the citric acid cycle are shown in the figure below. acetyl-coenzyme A 0 CH₂-C-CoA HO-CH Reaction 7 O malate CH₂ CH || CH fumarate FADH₂ Reaction 6 FAD H+ + NADH NAD+ 1,0 H₂C CH₂ CH₂ Reaction 8 succinate ADP 0=C GTP CH₂ oxaloacetate Reaction 5 H-COA GDP ATP H₂O Reaction 1 C Reactions of the Citric Acid Cycle CH₂ CH₂ H-COA 0=C 1 CoA succinyl-CoA H+ HO-C Reaction CO₂ с CH₂ NADH CH₂ citrate Reaction 2 H-COA Reaction 3 CO₂ I CH₂ T CH₂ 0=C NAD+ HO–CH a-ketoglutarate CH, CH isocitrate NAD+ H+ + NADH In chapters 9 and 10, you were introduced to several classes of organic reactions. These classes include esterification, decarboxylation, hydration reactions, dehydration of alcohols, oxidation of alcohols, oxidation of aldehydes, reduction of aldehydes, and reduction of ketones. Find at least one of these reaction classes in the citric acid cycle. List the reaction number and the reaction. Write a…arrow_forward
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