One essential element that has two different cycles is
A. water
B. carbon
C. nitrogen
D. phosphorus
Answer: D. phosphorus
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All living things are made up of one or more cells is a component of the
a. law of cellular activity. b. theory of molecular biology. c. law of anatomical reasoning. d. unified cell theory.
Genetic mapping involves the idea of mapping the genes linearly, based on what concept?
a. Genes that are located close together will recombine less often than those located far apart. b. Genes mutate at a constant rate which results in a mutation clock that can be used to track time. c. Genes can be mapped based on how often the cell divides because mistakes are made during mitosis. d. Genes that are recessive mutate more often than dominant genes.
How are selective media used in studying bacterial recombination?
What will be an ideal response?
How is simple diffusion different from other types of passive transport?
a. Simple diffusion does not require a permease. b. Simple diffusion requires ATP. c. Simple diffusion only brings material into the cell, not out of it. d. Simple diffusion is only the diffusion of water.