What does a "run of homozygosity" indicate?
A) A recent common ancestor
B) An ancient common ancestor
C) Consanguineous ancestry
D) Nondisjunction in a parent
A) A recent common ancestor
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The specific parts of foreign proteins that the immune system recognizes and "remembers" are called ________
A) receptor sites B) binding sites C) antibody sites D) antigenic sites E) None of the above.
You isolate a compound that is insoluble in water, has alternating single and double bonds, and has a bright orange
color. You correctly conclude that this compound is a: a. protein. b. nucleic acid. c. polysaccharide. d. steroid. e. carotenoid.
Most flowers are pollinated by which method?
a. wind b. birds c. bats d. water e. insects
What lineage of land plants arose before the bryophytes (mosses)?
A. Nonvascular plants B. Gymnosperms C. Angiosperms D. None of the above