The protein that reduces water loss at the skin surface is
A) eleidin.
B) collagen.
C) mucin.
D) keratin.
E) melanin.
D
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Polygenic traits include
A) eye color and hair colors other than pure blond or red. B) a lack of A and B surface antigens and presence of RH factor. C) inability to roll the tongue into a U-shape and near-sightedness. D) photic sneeze reflex and attached earlobes. E) ability to taste phenylthiocarbamate and color blindness.
_____________ cells are unicellular glands that produce mucus.
A) Goblet B) Blast C) Germ D) Mast E) Adipose
What is the attachment which is on the more stationary bone?
a. Tendon. b. Origin. c. Insertion d. Bursae.
The brainstem
A. includes nuclei of cranial nerves II - XII. B. contains centers for several vital reflexes like heart rate and blood pressure. C. contains the reticular formation. D. contains nuclei for vomiting and sneezing reflexes. E. All of these choices are correct.