Ultraviolet light has a specific effect on the DNA molecule. It causes the formation of
a. thymine dimers.
b. translocations.
c. deletions.
d. inversions.
e. duplications.
A
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Genomics studies have shown that humans and rice share about ____ percent of their genomes
a. 1 b. 4 c. 8 d. 15 e. 25
. “Seasonal,” “daily,” and “monthly” all describe what
type of reproductive isolating mechanism? a. behavioral b. temporal c. mechanical d. gamete e. ecological
What free-living organisms developed into both mitochondria and chloroplasts?
A) protists B) animals C) bacteria D) plants
All of the following characteristics are typical for microorganisms EXCEPT
A. Generally consist of single cell or groups of cells with little specialization. B. Generally reproduce by asexual reproduction. C. Most are parasites. D. Generally live in moist environments.