The cytoplasmic membrane of bacteria is strengthened by

a. isoprene.
b. hopanoids.
c. lipoteichoic acids.
d. integral proteins.


Answer: B

Biology & Microbiology

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Answer the following statement true (T) or false (F)

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A) no nuclear membrane exists in prokaryotes. B) no nuclear membrane exists in eukaryotes. C) the bacterial DNA is in a single chromosome. D) eukaryotic chromosomes are found in nucleoids.

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Which purine base forms 3 hydrogen bonds when binding its complementary nucleotide base?

A. guanine. B. cytosine. C. thymine. D. uracil. E. adenine.

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Thyroid hormone is to amphibian metamorphosis as this compound is to insect molting.

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