What is a follicle composed of?
A. An organ in the ovary
B. An oocyte
C. An oocyte enclosed in follicular or granulosa cells
D. A group of granulosa cells
E. A group of follicular cells
C. An oocyte enclosed in follicular or granulosa cells
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In general, the endocrine system is regulated by negative feedback
Indicate whether the statement is true or false
The resting membrane potential is mainly determined by __________.
A)the concentration of Na+ B)the concentration of protein anions outside the cell C)the concentration of Cl- D)the concentration gradient of K+ and the differential permeability of the plasma membrane to K+ and other ions
Regions of the CNS with an abundance of myelinated axons constitute the ________ matter
A) white B) grey C) clear D) dark E) yellow
What do the enteroendocrine cells of the stomach produce?
A) pepsin B) hydrochloric acid C) intrinsic factor D) gastrin E) gastric juice