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Reading Quiz



 This activity contains 25 questions.

Question 1
1
Open Hint for Question 1 in a new window		 Marathon runners have mostly slow-twitch muscle fibers, whereas sprinters have mostly fast-twitch fibers; their muscle fibers perform differently because __________.
 
End of Question 1


Question 2
2
Open Hint for Question 2 in a new window		 _____ is a chemical process that uses light energy from the sun to build organic molecules.
 
End of Question 2


Question 3
3
Open Hint for Question 3 in a new window		 Which of the following is an autotroph?
 
End of Question 3


Question 4
4
Open Hint for Question 4 in a new window		 Because plants are involved in photosynthesis, they are called _____.
 
End of Question 4


Question 5
5
Open Hint for Question 5 in a new window		 The chemical ingredients needed for photosynthesis are _____ and _____.
 
End of Question 5


Question 6
6
Open Hint for Question 6 in a new window		 _____ is used as food and _____ is produced as a waste in the overall process of cellular respiration.
 
End of Question 6


Question 7
7
Open Hint for Question 7 in a new window		 The main function of cellular respiration is __________.
 
End of Question 7


Question 8
8
Open Hint for Question 8 in a new window		 Aerobic metabolism always requires _____.
 
End of Question 8


Question 9
9
Open Hint for Question 9 in a new window		 Which of the following describes cellular respiration?
 
End of Question 9


Question 10
10
Open Hint for Question 10 in a new window		 An important end product of cellular respiration is _____.
 
End of Question 10


Question 11
11
Open Hint for Question 11 in a new window		 Which of the following is oxidized during cellular respiration?
 
End of Question 11


Question 12
12
Open Hint for Question 12 in a new window		 In redox reactions, electrons need to be shuttled from one molecule to another. Which of the following statements is true?
 
End of Question 12


Question 13
13
Open Hint for Question 13 in a new window		 Where in a cell does glycolysis occur?
 
End of Question 13


Question 14
14
Open Hint for Question 14 in a new window		 The net gain of ATP for each glucose molecule that enters glycolysis, in the absence of oxygen, is approximately __________.
 
End of Question 14


Question 15
15
Open Hint for Question 15 in a new window		 Which of the following "escorts" acetic acid produced from pyruvic acid into the first reaction of the citric acid cycle?
 
End of Question 15


Question 16
16
Open Hint for Question 16 in a new window		 A glucose molecule is completely broken down in glycolysis and the citric acid cycle, but these two processes yield only a few ATPs. Where is the rest of the energy that the cell can obtain from the glucose molecule?
 
End of Question 16


Question 17
17
Open Hint for Question 17 in a new window		 In eukaryotes, the electron transport chain is a series of electron carrier molecules embedded in which organelle?
 
End of Question 17


Question 18
18
Open Hint for Question 18 in a new window		 The electrons removed from glucose in cellular respiration end up in _____.
 
End of Question 18


Question 19
19
Open Hint for Question 19 in a new window		 Most of the ATP produced during cellular respiration occurs __________.
 
End of Question 19


Question 20
20
Open Hint for Question 20 in a new window		 Organisms that are poisoned by oxygen and must live in very low oxygen regions are called _____.
 
End of Question 20


Question 21
21
Open Hint for Question 21 in a new window		 Chemical reactions that require oxygen are called _____ while those that do not require oxygen are considered _____.
 
End of Question 21


Question 22
22
Open Hint for Question 22 in a new window		 What is the name of the process in which pyruvic acid is converted to lactic acid?
 
End of Question 22


Question 23
23
Open Hint for Question 23 in a new window		 Which of the following would challenge A. V. Hill's conclusions about the effect of lactic acid on muscle fatigue?
 
End of Question 23


Question 24
24
Open Hint for Question 24 in a new window		 Which of the following is a group of organisms that thrive in an anaerobic environment?
 
End of Question 24


Question 25
25
Open Hint for Question 25 in a new window		 Which one of the following is considered the oldest mechanism to generate ATP?
 
End of Question 25


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