Nitrates and nitrites are used in cured meats to prevent ________.

A. botulism intoxication
B. S. aureus food poisoning
C. infection from fruits and nuts
D. mold growth


Answer: A

Biology & Microbiology

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In RFLP, ___ enzymes are used to cut out the DNA sequence of interest.

What will be an ideal response?

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Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?

What will be an ideal response?

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Mammals have Toll-like receptors (TLRs) that can recognize a kind of macromolecule that is absent from vertebrates but present in or on certain groups of pathogens, such as viral _____

A) double-stranded DNA B) double-stranded RNA C) glycoproteins D) phospholipids

Biology & Microbiology

What two colors of light drive most of photosynthesis?

A) green and yellow B) red and green C) blue and green D) red and blue E) red and yellow

Biology & Microbiology