The earliest group of land plants whose reproduction did not require water for swimming sperm were the
A) lobefins. B) conifers. C) algae. D) club mosses. E) ferns.
B
Biology & Microbiology
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What would be the phenotype of a null mutation in the gene encoding Lac repressor?
A) constitutive expression of the lac operon B) inducible expression of the lac operon C) permanently repressed expression of the lac operon D) cannot predict what would happen to expression of the lac operon
Biology & Microbiology
what is the mechanism of clonal de-selection (deletion) called?
What will be an ideal response?
Biology & Microbiology
Some microbial control agents are able to ________ cell proteins by breaking bonds that maintain the native state, the three-dimensional configuration of the proteins.
A. bind B. mutate C. dissolve D. denature
Biology & Microbiology
Homozygous
What will be an ideal response?
Biology & Microbiology