The pea plant was a good selection for Mendel's experiments because _____.
A) its flower petals are pigmented
B) pea plants readily self-fertilize and cross-fertilize
C) peas produce seeds that can be used to grow new plants
D) each gene is located on a separate chromosome
Answer: B) pea plants readily self-fertilize and cross-fertilize
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Microbial control in wastewaters would most logically be a part of
A) microbial genetics. B) aquatic microbiology. C) medical microbiology. D) bacterial energetics.
The ________ molecule hides the myosin-binding site on the actin when muscles are not contracting.
A. tropomyosin B. ATP C. neurotransmitter D. calcium
Island species are particularly vulnerable to extinction for all of the following reasons except
A. fewer endemic species are found on islands. B. humans have introduced competitors. C. island species have lost the ability to escape predators. D. humans have introduced diseases. E. humans have altered habitats.
Unique chemical groups that confer special properties to an organic molecule are called:
A) amino acids. B) monomers. C) lipids. D) functional groups.