Be able to identify an example of directional selection.
What will be an ideal response?
a mouse population that is originally white in color to becoming darker in color after several generations
Biology & Microbiology
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"Glucose sparing" is brought about by
a. epinephrine. b. norepinephrine. c. aldosterone. d. cortisol. e. growth hormone.
Biology & Microbiology
Epidermal cells secrete a ____ to reduce water loss
a. trichome b. cuticle c. oily substance d. upper epidermis e. stipules
Biology & Microbiology
Which of the following is not a feature of reverse transcriptase?
A. It can create double-stranded DNA from RNA. B. It causes the high mutation rate of HIV. C. It can incorporate DNA into the host cell's genome. D. It is very error-prone.
Biology & Microbiology
The approximate diameter of an actin filament is
a. 8-12 nm. b. 7 nm. c. 25 nm. d. 5 mm.
Biology & Microbiology