When macrophages bind to an antigen they

secrete cytokines. Cytokines act as



a. antibodies.
b. phagocytes.
c. signaling molecules.
d. enzymes.
e. antigens


C

Biology & Microbiology

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A structure found in cells of all three domains, prokaryotes and eukaryotes, is the

A. cilium. B. ribosome. C. cell wall. D. mitochondria. E. chloroplast.

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Blood usually continues on from capillaries to

enter ____ in its travel through the human body. a. arterioles b. venules c. arteries d. veins e. other capillaries

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Using the Goldman equation, what is the approximate resting potential due to Na+ and K+ if the relative permeability of K+ to Na+ is 30 to 1 and the concentrations of K+ are 10:100 (out:in) and the concentrations of Na+ are 140:10 (out:in)?

What will be an ideal response?

Biology & Microbiology

________ is the process whereby a molecule of DNA copies itself

Fill in the blank(s) with correct word

Biology & Microbiology