Most known microorganisms maintain their internal pH ________.

A. near neutral (pH 7)
B. slightly alkaline (pH 8-10)
C. slightly acidic (pH 4-6)
D. near their optimum growth pH


Answer: A

Biology & Microbiology

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The eighteenth century naturalist __________

devised a much simpler naming system that we still use. a. Carolus Linnaeus b. Louis Pasteur c. Robert Koch d. Rosa canina e. all of these

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What happens to the photosynthetic reactions when no sunlight is present?

What will be an ideal response?

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Assume that the somatic cells of a male contain one pair of homologous chromosomes (e.g., AaAb) and an additional chromosome without a homolog (e.g., W)

Which chromosomal combinations would be expected in the meiotic products (spermatids) of a single primary spermatocyte? (There may be more than one answer.)

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