The differential staining achieved with the Gram stain is due to differences in the bacterial:

a) size
b) shape
c) cell wall
d) nucleus


Answer: c) cell wall

Biology & Microbiology

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Which statement about the macronucleus and the micronucleus of ciliates is correct?

A. The macronucleus is diploid and the micronucleus is haploid. B. The macronucleus forms by the fusion of micronuclei from two different mating types. C. The micronucleus is formed by fission of the macronucleus. D. The micronucleus transmits genetic information through mitosis and meiosis, while the macronucleus maintains routine cellular functions.

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After the guanine, what is the next nucleotide that will be added to this growing strand of RNA?

1.adenine 2.cytosine 3.guanine 4.uracil

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Which of the following is not a characteristic of inflammation?

A) Local heat B) Pain C) Fever D) Redness E) Swelling

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FSH is a hormone important to the proper functioning of the ovaries and testes. This hormone will not be released from the anterior pituitary until ________ is released from the hypothalamus

A) TSH B) GnRH C) ACTH D) LH E) PRL

Biology & Microbiology