Which of the Following Is Delivered from the Small Intestine

question 20

Multiple Choice

Which of the following is delivered from the small intestine to the bloodstream through the lymphatic system?

• A)amino acids
• B)proteins
• C)carbohydrates (sugars)
• D)lipids (fats)

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Definitions:

Allosteric Site

A region on an enzyme that binds to molecules in the cell, resulting in a change in the enzyme's activity; not the active site where substrate molecules bind.

Tryptophan Operon

A segment of DNA in bacteria that regulates the production of tryptophan by switching the genes responsible for its synthesis on or off.

Active Repressor Protein

A protein that binds to specific DNA sequences to inhibit the transcription of certain genes, controlling gene expression.

Inactive RNA Polymerase

An RNA polymerase enzyme in a resting state that is not involved in the transcription of DNA into RNA.