Mitochondrial DNA differs from nuclear DNA in that it
A) crosses over within the same strand.
B) is inherited from the father only.
C) is present only in cells of the nervous and muscular systems.
D) is poorer at DNA repair.
D) is poorer at DNA repair.
Biology & Microbiology
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Which of the following supports the argument that viruses are nonliving?
A) They lack genetic material. B) They are not cellular. C) Their DNA does not encode proteins. D) They have RNA rather than DNA. E) They do not evolve.
Biology & Microbiology
Is it possible for a cell to contain more than one nucleus? Explain.
What will be an ideal response?
Biology & Microbiology
Resolving power is the ability to see an object in sharp focus.
a. true b. false
Biology & Microbiology
When an atom or molecule gains one or more electrons, it is said to be
A. energized. B. reduced. C. oxidized. D. polarized.
Biology & Microbiology