The digestive action of the stomach begins when it is stimulated by the _____.?
A) ?gallbladder
B) ?esophagus
C) ?nervous system
D) ?liver
C
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Once protein synthesis is completed, the protein that was synthesized may undergo further changes prior to its secretion or use within the cell.
Answer the following statement true (T) or false (F)
The motor end plate
a. contains receptor sites that are capable of binding curare. b. contains acetylcholinesterase. c. experiences an increase in permeability to cations when combined with acetylcholine. d. both (b) and (c) above. e. all of these answers.
Cross-cultural studies of human sexual behavior show that:
A. enormous variation in behavior exists across cultures. B. there is virtually no variation in behavior across cultures. C. variation in behavior across cultures can be attributed to differences in biological makeup. D. variation in behavior can be explained by how modern the society is.
________ glands (such as tear glands) have vesicles that release their secretion via exocytosis. ________ glands (such as oil-producing glands) secrete a mixture of disintegrated cells and their products.
A. Eccrine; Holocrine B. Mucous; Cutaneous C. Cytogenic; Apocrine D. Endocrine; Exocrine E. Mucous; Serous