Shrews have been documented to travel across frozen lakes and establish populations on previously uninhabited islands. The low level of genetic diversity in the new populations is the result of
A) genetic drift.
B) a population bottleneck.
C) coevolution.
D) the founder effect.
E) assortative mating.
D
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Female gametes complete meiosis II at ____________________
Fill in the blank(s) with correct word
What do you know about converting from moles to mass? How does it relate to the question?
What will be an ideal response?
Prions are created when normal proteins in the body ____
a. combine with large ribosomal subunit and become infectious
b. exchange several long sections of amino acids with other infected proteins c. refold into a different and infectious three-dimensional shape that kills cells in the brain and nervous system d. undergo mutation and create hundreds of copies of themselves e. invade the immune system, causing it to mistakenly destroy the body’s healthy tissue
In a given bacterium, transcription of housekeeping genes is normal, but genes involved in nitrogen metabolism, stress, and chemotaxis are disrupted. Which sigma subunit is intact?
A) ?28 B) ?32 C) ?35 D) ?54 E) ?70