Bone tissue is hard because its matrix contains

a. collagen.
b. iron.
c. several minerals.
d. calcium salts.
e. elastic fibers


D

Biology & Microbiology

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What characteristics make bacteria like E. coli attractive as model organisms?

A) short generation time, simple genome relative to to that of humans, easily mutagenized, haploid, gene control mechanisms identical to eukaryotes B) short generation time, simple genome relative to to that of humans, easily mutagenized, haploid C) short generation time, genome as complex as that of humans, easily mutagenized, haploid D) short generation time, simple genome relative to to that of humans, easily mutagenized, diploid

Biology & Microbiology

The simplest of the eukaryotes are the:

a. protistans b. plants c. fungi d. animals e. Archaea

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What is the term that describes the complex of DNA and proteins that makes up a eukaryotic chromosome?

a. centriole b. centrosome c. chromatin d. centromere

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Inadvertent lithium toxicity would MOST likely occur in a patient who is taking:

A) a tricyclic antidepressant. B) NSAIDs. C) SSRIs. D) any medication used to control blood pressure.

Biology & Microbiology