The above figure represents
a. membrane attack complex; pores in
bacterial cell
b. macrophage attack complex; fluids released
from pores
c. pores for mucus secretion ciliated lung
tissue
d. macrophages; muscle tissue
e. none of these
A
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If two hyphae are compatible,
a. the hyphae and the nuclei remain separate. b. the hyphae and the nuclei fuse together. c. the hyphae fuse together and the nuclei remain separate. d. the hyphae remain separate and the nuclei fuse together.
When you break your leg, a thickened area forms around the outside of the bone. Over a period of time, this thickened area
A) moves to the skin surface and is shed as dead skin. B) becomes a permanent part of the spongy bone. C) is dissolved by osteoclasts as osteoblasts add new bone. D) is digested by enzymes secreted by the muscles. E) forms new tendons, ligaments, and/or muscles.
The electrons of an atom are
A. found in the nucleus. B. always equal to the number of neutrons in an atom. C. positively charged. D. moving in pathways called orbitals. E. used to determine atomic number.
When solutions of host cells and infectious virions are mixed and spread on an agar plate, ________ form where viruses lyse the host cells
A) insertion sequences B) plaques C) prophages D) colonies