The acrosome reaction is triggered by:

A. deposition of sperm into the female reproductive tract.
B. capacitation of sperm.
C. estrogen.
D. binding of the heads of sperm to the zona pellucida.
E. the first meiotic reduction division of the ovum.


D

Anatomy & Physiology

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Answer the following statement true (T) or false (F)

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Cofactors such as NADH are found in all cells of the body and are often recycled. Such cofactors are categorized as __________ vitamins

A. essential B. nonessential

Anatomy & Physiology

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A) desmosomes B) gap (communicating) junctions C) inclusions D) microvilli E) tight junctions

Anatomy & Physiology

Which sequence represents the correct hierarchy of biological organization?

a. cell-organ-tissue-system-organism. b. cell-tissue-organ-system-organism. c. tissue-cell-system-organism-organ. d. organ-tissue-cell-organism-system. e. system-cell-organ-organism-tissue.

Anatomy & Physiology