A major chemical used to preserve meat products is ________.
A. refrigeration
B. nitrite
C. propionate
D. ethylene oxide
Answer: B
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All staphylococci are coagulase positive
Indicate whether this statement is TRUE or FALSE.
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
Purple-flower color is to pea-plant-flower color as red hair is to _______________________
Fill in the blank(s) with the appropriate word(s).
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?