Excessive collagen formation often results in a hard, raised scar. This is called:

a. keloid
b. adhesion
c. dehiscence
d. secondary union


a. keloid

Biology & Microbiology

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When comparing dry heat and moist heat sterilization, dry heat is

A. equally as fast. B. slower. C. faster. D. sometimes faster but sometimes slower.

Biology & Microbiology

Which disease is an example of an emerging disease?

a. Influenza b. H5N1 c. Genital warts d. Mumps e. Measles

Biology & Microbiology

The main reason that cellular aerobic respiration needs to occur step by step instead of a single, big reaction is

A. cells don't have enough mitochondria to catalyze the larger, single reaction. B. too much energy would be released as heat and destroy the cell. C. cells don't store enough oxygen to absorb all the energy in one release. D. cells produce the enzymes needed for cellular respiration very slowly. E. glucose breaks down slowly, carbon by carbon, inside a cell.

Biology & Microbiology

The image in the above photograph is a prime

example of a. double mutualism. b. associative commensalism. c. interference competition. d. team predation. e. parasitism.

Biology & Microbiology