The major histocompatibility complex is important in a T-cell's ability to:
A. recognize specific parasites.
B. recognize specific bacteria.
C. recognize specific viruses.
D. recognize self from nonself.
D. recognize self from nonself.
Biology & Microbiology
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When blood glucose levels decrease (as between meals), what reserves are tapped first?
a. glycogen b. fats c. proteins d. steroids e. amino acids
Biology & Microbiology
_____ are always changed by participating in a reaction. (Choose all that are correct.)
a. Enzymes b. Cofactors c. Reactants d. Coenzymes
Biology & Microbiology
Common foods that we eat may contain mutagens. Indicate whether the statement is true or false
Biology & Microbiology
The ________ is a layer of tough fibers and fat cells that anchors the skin to the deeper tissues
A) epidermis B) dermis C) hypodermis D) fascia E) follicles
Biology & Microbiology