Which bacteria is most likely to colonize a satin finished metal surface commonly used for biomedical procedures?

a) Staphylococcus aureus
b) Staphylococcus epidermidis
c) Streptococcus mutans
d) Staphylococcus saprophyticus


Answer: b) Staphylococcus epidermidis

Biology & Microbiology

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In which type of genetic situation will one allele of a gene pair not fully dominate over the other allele?

a. Incomplete dominance b. Sex-linked c. Codominance d. Dihybrid e. Monohybrid

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Would you describe the water cycle as slow or rapid? What will be an ideal response?

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The use of a molecular clock may be used to indicate relatedness and evolutionary time

A. if nucleic acid changes occur at a fairly constant rate. B. but is more strongly supported when it can be compared with the fossil record. C. if nucleic acid changes are neutral and not tied to adaptation. D. All of the choices are correct.

Biology & Microbiology

The hard, outer shell of vertebrate bone

A) does not contain osteons. B) is spongy bone. C) is made of glucosamine. D) is compact bone.

Biology & Microbiology