What is part of the body's initial line of defense against pathogens?
A. Memory T cells
B. T cells
C. Phagocytes
D. Mucous membranes
E. Cytokines
Answer: D
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What does the term insoluble fiber refer to on food packages?
A) cellulose B) polypeptides C) starch D) amylopectin E) chitin
Paralogs are often functionally redundant and can compensate for the loss of either of the paralogs in a set
Indicate whether the statement is true or false
In DNA, the pyrimidines are ____
a. thymine and cytosine b. adenine and cytosine c. adenine and guanine d. thymine and adenine e. guanine and thymine
The enzyme _____, that is found in tears and saliva, can hydrolyze the bonds in the glycan chains of certain bacterial cell walls.
A. penicillinase B. lysozyme C. peptidase D. All of the choices are correct. E. None of the choices is correct.