Download - Chapter 7
Mader's Concepts in Biology, First Edition
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Sylvia S. Mader
Chapter 7
Question 1
When did ATP make its appearance on the planet Earth?
A. 0.5 billion years ago
B. 1.5 billion years ago
C. 2.5 billion years ago
D. 3.5 billion years ago
E. 4.5 billion years ago
Question 2
Which of the following are the end products for cellular respiration?
A. glucose and carbon dioxide
B. glucose and water
C. glucose and oxygen
D. oxygen and carbon dioxide
E. carbon dioxide and water
Question 3
A biologist is studying the reactants in the overall equation for cellular respiration. He or she would be studying which of the following molecules?
A. glucose and waterB. carbon dioxide and waterC. oxygen and glucoseD. carbon dioxide and glucoseE. water and oxygen
Question 4
Which of the following are coenzymes which assist in cellular respiration?
A. FAD and RuBP
B. NAD and FAD
C. NAD and RuBP
D. NAD and ATP synthase
E. FAD and ATP synthase
Question 5
The order of the major pathways and reactions of cellular respiration is:
A. glycolysis-preparatory reaction-citric acid cycle-electron transport chain
B. electron transport chain-glycolysis-preparatory reaction-citric acid cycle
C. glycolysis-electron transport chain-preparatory reaction-citric acid cycle
D. citric acid cycle-glycolysis-preparatory reaction-electron transport chain
E. glycolysis-preparatory reaction-citric acid cycle-electron transport chain
Question 6
Which of the following phases takes place outside the mitochondria and is considered to be anaerobic?
A. electron transport chain
B. preparatory reaction
C. glycolysis
D. citric acid cycle
E. chemiosmosis
Question 7
The conversion of pyruvate into a 2-carbon acetyl group is carried out during which of the following phases?
A. electron transport chain
B. preparatory reaction
C. glycolysis
D. citric acid cycle
E. chemiosmosis
Question 8
During glycolysis, what is the net yield of ATP?
A. no ATP
B. 4 ATP
C. 2 ATP
D. 6 ATP
E. 10 ATP
Question 9
In which of the following events of cellular respiration is no ATP produced?
A. the electron transport chain
B. glycolysis
C. the citric acid cycle
D. the preparatory reaction
E. chemiosmosis
Question 10
The molecule NAD is said to have an oxidative role in the process of glycolysis because they:
A. accept phosphate atoms
B. accept oxygen atoms
C. accept carbon dioxide molecules
D. accept electrons and hydrogen atoms
E. accept pyruvate molecules
Question 11
When an enzyme is used to convert ADP into ATP it is referred to as:
A. enzyme ATP synthesis
B. active site ATP synthesis
C. substrate-level ATP synthesis
D. enzyme ADP synthesis
E. substrate-level ADP synthesis
Question 12
Pyruvate is converted to a two-carbon acetyl group attached to coenzyme A (CoA), and carbon dioxide is given off during which phase of cellular respiration?
A. chemiosmosisB. preparatory reactionC. the electron transport chainD. anaerobic respirationE. glycolysis
Question 13
Which is not true of the preparatory reaction of cellular respiration?
A. it connects glycolysis to the citric acid cycleB. carbon dioxide is given offC. pyruvate is converted to a two-carbon acetyl
groupD. NAD is converted to NADHE. the reaction occurs once per glucose
molecule
Question 14
What is the significance of the cristae in the mitochondria?
A. increase surface area therefore increasing glycolysisB. increase surface area therefore increasing the citric
acid cycleC. increase surface area therefore increasing the
preparatory reactionD. increase surface area therefore increasing
fermentationE. increase surface area therefore increasing the
electron transport chain
Question 15
A chemist is studying the carriers involved in the electron transport chain. Which of the following molecules would he or she be studying?
A. pyruvate moleculesB. acetyl groupsC. cytochrome moleculesD. NADH molecules
E. FADH2 molecules
Question 16
During the process of cellular respiration, what is the total number of ATP produced per glucose molecule?
A. 36 or 38
B. 32 or 34
C. 28 or 30
D. 24 or 26
E. 20 or 24
Question 17
How much of the available energy stored in glucose is converted to ATP?
A. 68%
B. 7%
C. 26%
D. 50%
E. 39%
Question 18
What would be the result if oxygen became unavailable to the cell?
A. glycolysis would stop
B. the citric acid cycle would stop
C. the electron transport chain would stop
D. the preparatory reaction would stop
E. substrate-level ATP synthesis would stop
Question 19
Per glucose molecule, the citric acid cycle occurs four times.
A. true
B. false
Question 20
A biologist is studying where most of the energy from cellular respiration comes from. The biologist would be studying which of the following phases?
A. glycolysisB. fermentationC. the citric acid cycleD. the electron transport chainE. the preparatory reaction