Proteins are ________ built from ________ different amino acids.
A. peptides:25
B. monomers; 10
C. macromolecules; 40
D. molecules; 10
E. polymers; 20
Answer: E
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Removal of old organelles is via a process called
A. autolysis. B. filtration. C. autophagy. D. pinocytosis. E. vascularization.
Sympathetic stimulation causes saliva to be more viscous.
Answer the following statement true (T) or false (F)
On coming inside from the cold, students notice that their cheeks are red. This results from
A. increased permeability of superficial vessels. B. damage to the epidermis by the cold. C. dilation of the blood vessels in the dermis of the cheeks. D. constriction of the sweat glands in the cheeks. E. constriction of the blood vessels in the epidermis of the cheeks.
Shrugging the shoulders is an example of
A. pronation. B. circumduction. C. elevation. D. flexion.