These scientists are involved with which of the following?
a. biotechnology
b. genetic engineering
c. genomics
d. all of these
D
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Which of the following structural motifs found in transcriptional regulators is the least likely to require an inverted repeat for binding to DNA?
A. helix-turn-helix B. homeodomain C. leucine zipper D. zinc finger
Which is true of the cells of a choanoflagellate colony?
a. each cell is genetically unique b. each cell is genetically identical c. each cell has a different chromosome number d. each cell performs the same function as the other cells e. each cell has the ability to switch their sex from male to female and back again
A major difference in reproductive strategy found in plants and animals but not found in protists is that _____.
Fill in the blank(s) with the appropriate word(s).
In many species of fireflies, males flash light from their abdomens to attract females. Each species has a different flashing pattern. This is an example of
A) mechanical incompatibility. B) ecological isolation. C) temporal isolation. D) behavioral isolation. E) geographic isolation.