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Test Bank for Lehninger Principles of Biochemistry 7th Edition by Nelson (complete, questions/answers/rationales) | Lehninger Principles of Biochemistry 7th Edition Nelson Test BankR553,15
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Test Bank for Lehninger Principles of Biochemistry 7th Edition by Nelson (complete, questions/answers/rationales) | Lehninger Principles of Biochemistry 7th Edition Nelson Test Bank
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Lehninger Principles of Biochemistry
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Lehninger Principles Of Biochemistry
Test Bank for Lehninger Principles of Biochemistry 7th Edition by Nelson (complete, questions/answers/rationales) | Lehninger Principles of Biochemistry 7th Edition Nelson Test Bank
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, In a bacterial cell, the DNA is in the:
A) cell envelope.
B) cell membrane.
C) nucleoid.
D) nucleus.
E) ribosomes. - C - Nucleoid
A major change occurring in the evolution of eukaryotes from prokaryotes was the
development of:
A) DNA.
B) photosynthetic capability.
C) plasma membranes.
D) ribosomes.
E) the nucleus. - The Nucleus
In eukaryotes, the nucleus is enclosed by a double membrane called the:
A) cell membrane.
B) nuclear envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome. - B - Nuclear envelope
The dimensions of living cells are limited, on the lower end by the minimum number of
biomolecules necessary for function, and on the upper end by the rate of diffusion of
solutes such as oxygen. Except for highly elongated cells, they usually have lengths
and diameters in the range of:
A) 0.1 μm to 10 μm.
B) 0.3 μm to 30 μm.
C) 0.3 μm to 100 μm.
D) 1 μm to 100 μm.
E) 1 μm to 300 μm. - C) 0.3 μm to 100 μm.
Which group of single-celled micro-organisms has many members found growing in
extreme environments?
A) bacteria.
B) archaea.
C) eukaryotes.
D) heterotrophs.
E) none of the above. - B) archaea.
The bacterium E. coli requires simple organic molecules for growth and energy—it is
therefore a:
A) chemoautotroph.
B) chemoheterotroph.
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