Which one of the following can create new alleles?
A) natural selection
B) sexual reproduction
C) mutation
D) genetic drift
C
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The function of PUF proteins binding to mRNA is:
A. a shortening of the poly(A) tail. B. the phosphorylation of eIF2a. C. the efficient recruitment of the 40S ribosomal subunit. D. to block efficient translation.
Which of the following receptor and signal transduction molecules are mismatched?
A. sensor kinase receptor (NarQ): NarL B. G-protein coupled receptor: adenylyl cyclase C. G-protein coupled receptor: phospholipase C D. enzyme linked receptors: protein kinase E. steroid receptor: calcium
Species richness and the relative abundance of
each species determine
a. the species composition of an ecosystem. b. the species diversity of a community. c. the species composition of a population. d. the species diversity of a biosphere. e. the species diversity in a niche
Characteristics of an individual that is necessary to the survival of the species but not to the survival of the individual is _____ .
A. Adaption B. Reproduction C. Metabolism D. Organization