Choose all of the items that are incorrectly matched.
A) inactivation gate — closed during repolarization
B) activation gate — open at rest
C) inactivation gate — closed at rest
D) activation gate — opens during depolarization
E) All of the answers are incorrectly matched.
D) activation gate — opens during depolarization
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Fertilization typically occurs in the ________, and it restores the ________ number of chromosomes.
A. isthmus of the uterine tube; haploid B. ampulla of the uterine tube; haploid C. isthmus of the uterine tube; polyploid D. ampulla of the uterine tube; diploid E. body of the uterus; polyploid
Which of the following organelles is responsible for generating most of the energy the cell uses to perform work?
A)mitochondrion B)nucleolus C)smooth endoplasmic reticulum D)centriole E)Golgi apparatus
"Lactational amenorrhea" is a physiological phenomenon that parallels a common cause of infertility due to elevated levels of:
A. prolactin B. oxytocin C. progesterone D. inhibin E. dopamine
Diabetes mellitus, profuse sweating, and hyposecretion of ADH can each lead to
A. hypotonic plasma. B. dehydration. C. overhydration. D. volume excess.