What is the purpose of dialysis treatments?

A) To constrict blood vessels to prevent death from anaphylactic shock
B) To detoxify dangerous chemicals in the bloodstream
C) To replenish oxygen in the bloodstream
D) To keep the airways open so one can breathe


B

Biology & Microbiology

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Scanning electron microscopy (SEM) is especially suited to

A) observe living specimens. B) examine internal cellular structure. C) create a sense of depth. D) both choices A and C E) choices A, B, and C

Biology & Microbiology

Which type of microscopy passes light directly through a stained and killed specimen?

a. confocal laser scanning microscopy b. phase-contrast microscopy c. bright field microscopy d. scanning electron microscopy e. fluorescence microscopy

Biology & Microbiology

The best terms for a fish whose body temperature varied between 4oC during the day when it is in deep, cold ocean waters and 26oC during the night when it comes to the surface to feed would be

A. ectothermic and endothermic. B. endothermic and homeothermic. C. ectothermic and homeothermic. D. ectothermic and heterothermic. E. endothermic and heterothermic.

Biology & Microbiology

If a protein-coding gene is identified, its function can be studied by using RNA interference to

__________. a. produce a RFLP b. produce an EST c. turn the gene on d. turn the gene off e. induce a mutation

Biology & Microbiology