The Tightly Coiled Structure (Structures)inside the Testes That Produce the Sperm

question 50

Multiple Choice

The tightly coiled structure (structures) inside the testes that produce the sperm cells is (are) the

• A)seminiferous tubules.
• B)epididymis.
• C)vas deferens.
• D)scrotum.
• E)ureters.

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Definitions:

Differentiation

The biological process in which a less specialized cell becomes a more specialized cell type.

Receptor-Mediated Endocytosis

A cellular process in which cells absorb external substances by the inward budding of its membrane, guided by receptors.

Pinocytosis

A form of endocytosis where cells ingest extracellular fluid and its dissolved contents.

Facilitated Diffusion

The process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins.