For convenience, gestation is usually divided into three integrated ________.
Fill in the blank(s) with the appropriate word(s).
trimesters
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Which structure regulates the flow of material into the colon?
a) Ileocecal sphincter b) Pyloric sphincter c) Appendix d) Sigmoid colon e) Anal canal
Which of the following describes the asynchronous mode of teleost oocyte development?
a. multiple spawners; prolonged season b. multiple spawners; short season c. single spawners; prolonged season d. single spawners, short season e. none of these
The cytoplasmic granules of mast cells stain intensely with toluidine blue. This is because of the contents of these granules, which contain:
a. Acid hydrolyases b. Histamine and proteoglycans c. Lipid d. Matrix granules e. Ribosomes
Which cells of the pancreatic islets produce glucagon?
A) delta cells B) F cells C) beta cells D) alpha cells