Which statement best describes keratinocytes?
a. A protein found in connective tissue that promotes resiliency of the skin.
b. A pigment that gives color to skin and hair.
c. A fibrous protein that is the main support of bone, ligaments, cartilage, and tendons.
d. Cells that make up the outer layer of the skin.
D
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Toxicity does not reflect the legal status of a drug.
Answer the following statement true (T) or false (F)
Your athlete is performing an all-out sprint over a distance of 100 meters. Which is correct?
A. They're recruiting only slow-twitch motor units. B. They're recruiting only fast-twitch motor units. C. They're recruiting both slow and fast-twitch motor units. D. There is no way to predict which motor units are being recruited.
Amplification steps in the complement pathways occur
a. in the classical pathway with C1 cleaving multiple molecules of C4 and multiple C2 for every C1 and C4; in the alternative pathway with the C3b of other pathways becoming C3 convertase; and then the C3b becoming part of a C5 convertase b. in all pathways with all the C3 convertases making multiple C3a +C3b c. with C9 polymerization d. all of the above e. A and B only
The combining form that means ketones is ________
Fill in the blank(s) with correct word