Active Transport Processes That Use Protein Carrier Molecules,or Pumps,do Not

question 124

True/False

Active transport processes that use protein carrier molecules,or pumps,do not use cellular energy but rely instead on concentration gradients.

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Definitions:

Hepatocyte

A cell of the liver involved in protein synthesis, detoxification, and metabolism of carbohydrates and fats.

Duodenal Mucosa

The innermost layer of the duodenum, containing glands that secrete enzymes and mucus to aid in digestion.

Microvilli

Microscopic cellular membrane protrusions that increase the surface area for absorption or secretion in various epithelial cells.

Lacteals

Specialized lymphatic capillaries located in the intestinal villi, involved in the absorption of dietary fats.