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Which molecule type does bile emulsify?

A.

Lipids and proteins

B.

Proteins

C.

Carbohydrates and proteins

D.

Lipids

Answer and Explanation

The Correct Answer is D

A. Lipids and proteins: While bile is involved in fat digestion, it does not emulsify proteins.

B. Proteins: Bile does not emulsify proteins. Proteins are broken down by enzymes like pepsin.

C. Carbohydrates and proteins: Bile has no role in the digestion of carbohydrates or proteins.

D. Lipids: Bile emulsifies lipids, breaking them into smaller droplets to facilitate enzymatic digestion by lipases.


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Related Questions

Correct Answer is B

Explanation

A. There are two secondary bronchi in the right lung and three in the left lung: There are three secondary bronchi in the right lung and two in the left lung due to the number of lobes in each lung.

B. The right primary bronchus is more vertical and wider than the left: The right bronchus is more vertical and wider, making foreign objects more likely to enter the right lung.

C. The carina is only present in the left primary branches: The carina is located at the bifurcation of the trachea into the right and left bronchi, not just in the left.

D. Inhaled air does not enter the terminal bronchioles: Inhaled air flows all the way through the bronchial tree, including the terminal bronchioles.

Correct Answer is C

Explanation

A. Reabsorption of potassium ions: Potassium reabsorption occurs in the nephron, not in the bladder.

B. Secretion of hormones: The bladder does not secrete hormones; its primary function is to store urine.

C. Storage of urine: The bladder is responsible for storing urine before it is excreted from the body.

D. Filtration of urine: Filtration occurs in the kidneys, specifically in the glomerulus, not in the bladder.

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