Which of the Following Statements Is (Are)about Restriction Enzymes? I

question 44

Multiple Choice

Which of the following statements is (are) about restriction enzymes? I. They are used by bacteria to cut up foreign DNA.
II. They cut DNA unevenly to produce "sticky ends."
III. They are non-specific and cut anywhere along a sequence.
IV. They are involved with heterochromatin production.

• A)I only
• B)IV only
• C)I and II
• D)I, II, and III
• E)III and IV

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Definitions:

Phenylketonuria

A genetic disorder characterized by an inability to metabolize the amino acid phenylalanine, leading to its accumulation in the body, which can cause intellectual disability and other health issues if untreated.

Huntington's Disease

A genetic disorder that affects the brain and results in progressive degeneration of nerve cells, leading to physical and mental dysfunctions.

Temperament

Individual difference in style of reaction that is present early in life.

Easy Child

A term in developmental psychology referring to children who are generally calm, adaptable and have regular routines.