What electrolyte does the heart rely on most in order to keep a rhythmic beat?
a. potassium
b. phosphorus
c. magnesium
d. iron
e. sodium
a
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In skeletal muscle depolarization of the T tubule membrane causes
a. activation of Ca2+ ATPase pumps which triggers a rise in intracellular calcium levels b. dihydropyridine to bind calcium channel receptors which triggers a rise in intracellular calcium levels. c. activation of stretch-activated Ca2+ channels which triggers a rise in intracellular calcium levels. d. activation of dihydroxypyridine receptors in membrane of the T tubule which triggers a rise in intracellular calcium levels. e. ryanodine to bind calcium channel receptors which triggers a rise in intracellular calcium levels.
DNA replication occurs during what two cellular processes?
A) mitosis and cytokinesis B) meiosis and cytokinesis C) mitosis and meiosis D) apoptosis and mitosis E) apoptosis and meiosis
The processes of the uterine tubes that sweep the surface of the ovary are the ________.
A. infundibulum B. fimbriae C. oviducts D. None of these choices are correct.
What is the term for shaving the wool of sheep? __________________
Fill in the blank(s) with correct word