The ________ of a spermatozoon contains the nucleus of the cell

A) middle piece
B) tail
C) acrosome
D) head


D

Anatomy & Physiology

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The model that describes how an enzyme can adjust its shape to fit the shape of the substrate is theĀ ________ model.

A. lock-and-key B. enzyme-substrate C. conformational D. induced-fit

Anatomy & Physiology

Macrophages ingest invaders

Indicate whether the statement is true or false.

Anatomy & Physiology

In a taste bud, which cell produces a receptor potential?

A. Basal cells B. Sensory nerve fibers C. Supporting cells D. Taste cells E. Taste hairs

Anatomy & Physiology

Select the correct statement regarding epithelia.

A) Simple epithelia form impermeable barriers. B) Stratified epithelia are tall, narrow cells. C) Stratified epithelia are present where protection from abrasion is important. D) Pseudostratified epithelia consist of at least two layers of cells stacked on top of one another.

Anatomy & Physiology