As sperm first reach the oocyte, they will contact the ________:

a. acrosome
b. corona radiata
c. sperm-binding receptors
d. zona pellucida


Ans: b. corona radiata

Biology & Microbiology

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Bioterrorism is a term used to describe the act of using:

a. horrific events to deliver harm to living beings. b. microorganisms to harm the civilian pop-ulation intentionally. c. microorganisms to wage war in peacetime. d. living beings to wage war in peacetime.

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Tanisha and Tawanda are twins but do not look alike. They are the result of fertilization of

A) one oocyte by two sperm cells. B) two oocytes by one sperm cell. C) two oocytes by two sperm cells. D) one oogonium by one spermatogonium.

Biology & Microbiology

If you were cast upon a desert island with no fresh water to drink, which of the following would

increase in your bloodstream in an effort to conserve water? a. erythropoietin b. oxytocin c. insulin d. antidiuretic hormone e. glucose

Biology & Microbiology

What is another name for sexual intercourse?

What will be an ideal response?

Biology & Microbiology