What enzyme is used to synthesize daughter strands of DNA during PCR?

An epitope is ________ amino acids long

A) 3-5 B) 10-15 C) 50-60 D) 700

The onset of a given epidemic is indicated by a sharp rise in the number of cases reported daily over a brief interval. This indicates that the mode of transmission is

A) host to host. B) a common source. C) insect vector. D) mechanical vector.

One method used to prevent disulfide bond interference with protein sequencing procedures is:

A) cleaving proteins with proteases that specifically recognize disulfide bonds. B) protecting the disulfide bridge against spontaneous reduction to cysteinyl sulfhydryl groups. C) reducing disulfide bridges and preventing their re-formation by further modifying the —SH groups. D) removing cystines from protein sequences by proteolytic cleavage. E) sequencing proteins that do not contain cysteinyl residues.

Also called motor neurons, the ___________ send signals from the brain to the glands and muscles:

a. efferent neurons b. afferent neurons c. interneurons d. neurotransmitters