A major chemical used to preserve meat products is ________.

A. refrigeration
B. nitrite
C. propionate
D. ethylene oxide


Answer: B

Biology & Microbiology

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All staphylococci are coagulase positive

Indicate whether this statement is TRUE or FALSE.

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The filtering of lymph and the initiation of immune responses to foreign material are functions of what organ(s)?

A. Lymph Nodes B. Spleen C. Thymus D. Tonsils

Biology & Microbiology

Purple-flower color is to pea-plant-flower color as red hair is to _______________________

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Will is a graduate student working in a microbiology lab. He is given the task of characterizing a newly discovered nitrogen fixing bacterium. What type of tests or observations will help him determine whether it is a member of the Cyanobacteria, alphaproteobacteria, or gammaproteobacteria?

What will be an ideal response?

Biology & Microbiology