The Portion of the Small Intestine That Performs the Bulk

question 125

Multiple Choice

The portion of the small intestine that performs the bulk of chemical digestion and nutrient absorption is the

• A) ileum.
• B) duodenum.
• C) jejunum.
• D) pylorus.
• E) cecum.

---

Definitions:

Viral DNA

The genetic material of a virus encoded in DNA rather than RNA, which the virus inserts into host cells to replicate and produce new viral particles.

Recombinant DNA

Composite DNA made in a laboratory by joining DNA fragments from multiple sources.

Restriction Enzymes

Enzymes that cut DNA at specific sequences, widely used in molecular biology for cloning and DNA manipulation.

Ligases

Enzymes that catalyze the joining of two molecules by forming a new chemical bond, often requiring the expenditure of energy derived from ATP.