In the slow block to polyspermy, sperm penetration releases an inflow of ________, which in turn stimulates the cortical reaction.
A. K+
B. Na+
C. Cl-
D. Mg2+
E. Ca2+
Answer: D
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Differentiate between transcription and translation
Only autosomal trisomies involving chromosomes 13, 18, and 21 are survivable. Why is this?
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The major control for hypothalamic-induced release of vasopressin from the anterior pituitary is input from hypothalamic receptor cells
a. True b. False Indicate whether the statement is true or false
A fracture caused by a tendon or ligament pulling a small chip of bone away from the rest of the bone is called what?
A. simple fracture B. compound fracture C. avulsion fracture D. spiral fracture