Which of the following are examples of genetic drift?
A. Bottle Neck Effect
B. Founder Effect
C. Random Mating
D. A & B only
E. A, B, & C
Answer: D. A & B only
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During which stage of mitosis does the nucleolus disappear?
a. Prophase b. Anaphase c. Metaphase d. Interphase
Serial repetition of segments is a defining characteristic of which worm phylum?
A) Flatworms B) Annelids C) Roundworms D) Segmentation is not a defining characteristic of any of the worm phyla.
By the time pyruvate is formed, most of the energy contained in glucose has been released.
a. true b. false
What is the role of lenses in microscopy?
a. Lenses focus either light or electrons to create a magnified image of a specimen. b. Lenses are only used to magnify specimens that are smaller than whole red blood cells. c. Lenses increase the contrast to determine structural differences in stained specimens.