The complete set of proteins present in a cell under a given set of conditions is a:
A. transcriptome.
B. proteome.
C. proteasome.
D. translatome.
E. phenosome.
B
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Differentiated cells, such as fat cells, have acquired their specialized function and remain in:
A. S phase. B. G1 phase. C. G2 phase. D. M phase. E. G0 phase.
Haplogroups consist of
A) sets of species that share a recent ancestor. B) the set of Y chromosomes in a population. C) groups of SNPs that are linked on a chromosome. D) preserved gametes, which are haploid.
In the axoneme, nexin
A) transports tubulin to the axoneme tip for assembly. B) generates force for outer doublets sliding past each other. C) projects inward from each doublet toward the central pair microtubules. D) links adjacent outer doublets to limit sliding. E) connects each outer doublet to the plasma membrane.
Which one of the following occurs with each cycle of the sodium-potassium pump?
A) Sodium is moved into the cell, creating a net negative charge outside the cell. B) The net effect is removal of one osmotic particle and one positive charge from inside the cell. C) The net effect is removal of one osmotic particle and one negative charge from inside the cell. D) The inside of the cell becomes more negative as potassium is pumped out. E) Two potassium ions and three sodium ions are pumped out of the cell.