Which mechanism enables substances to move through the cell membrane from a region of higher concentration to a region of lower concentration without any energy expenditure?

a. Equilibrium
b. Vesicular transport
c. Exocytosis
d. Simple diffusion


d

Nutritional Science

You might also like to view...

Regardless of the preparation procedure used, poultry should be cooked until it holds 165°F for a minimum of 15 seconds because of the risk of foodborne illness.

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

Nutritional Science

What percentage of patients with GBS completely recover within 18 months of onset?

a. 15% b. 25% c. 40% d. 60% e. 85%

Nutritional Science

Average body composition is different between men and women. Select the major differences from the following choices

1.Men have heavier bones and more fat. 2.Women have more organs and more fat. 3.Men have more muscle and more fat. 4.Women have less muscle and less fat. 5.Men have more muscle and less fat.

Nutritional Science

Approximately 70% of people who begin commercial low calorie diets dropout within twelve weeks

Indicate whether the statement is true or false

Nutritional Science