Lecture Activity: Chapter 02
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Question 1
Correct
1.00 points out of 1.00
Most of the energy in ATP is stored between the
Select one:
A. adenine and ribose
B. second and third phosphates
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C. ribose and first phosphate
D. adenine and thymine
E. first and second phosphates
Question 2
Correct
1.00 points out of 1.00
A molecule that does not contain a C-H bond would be called
Select one:
A. functional group
B. hydrocarbon
C. inorganic molecule
D. organic molecule
E. biological molecule
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Question 3
Correct
1.00 points out of 1.00
If an atom has 4 total electrons in all shells, how many electrons would it need to lose in order to fill its valence shell?
Select one:
A. 1
B. 5
C. 2
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D. 3
E. 4
Question 4
Correct
1.00 points out of 1.00
Which molecule is used as an energy storage molecule and building block of complex carbohydrates?
Select one:
A. amino acid
B. monosaccharide
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C. nucleotide
D. polysaccharide
E. polypeptide
Question 5
Correct
1.00 points out of 1.00
A substance that cannot be broken down to any other substance by ordinary chemical means best defines
Select one:
A. isotope
B. matter
C. molecule
D. element
E. energy
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Question 6
Correct
1.00 points out of 1.00
Changing the environment too much causes proteins to lose their shape in a process called
Select one:
A. prion
B. reduction
C. genetic disease
D. denaturation
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E. oxidation
Question 7
Correct
1.00 points out of 1.00
The type of chemical bond that results from an unequal sharing of electrons is
Select one:
A. polar covalent
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B. ionic
C. nonpolar covalent
D. hydrophobic interaction
Question 8
Correct
1.00 points out of 1.00
The type of chemical bond that forms between oppositely charged atoms or molecules is
Select one:
A. polar covalent
B. hydrophobic interaction
C. nonpolar covalent
D. ionic
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Question 9
Correct
1.00 points out of 1.00
Which type of protein functions to receive a signal for the cell?
Select one:
A. receptor
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B. enzyme
C. structural
D. contractile
E. regulation
Question 10
Correct
1.00 points out of 1.00
Which subatomic particle does NOT contribute significant mass to the atom?
Select one:
A. neutrons
B. electrons
C. ion
D. protons
E. element
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