The Enzyme That Covalently Links Both Strands of a Vector

question 1

Multiple Choice

The enzyme that covalently links both strands of a vector and inserted DNA in molecular cloning is

• A) DNA ligase.
• B) DNA phosphatase.
• C) DNA hydrolase.
• D) DNA transferase.

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Definitions:

Macule Skin Lesion

A flat, distinct, colored area of skin less than 1 cm wide without any change in the texture or thickness of the skin.

Nonpalpable

Unable to be felt by touch, often referring to abnormalities within the body that cannot be detected through physical examination.

Keratinized Cells

Cells that have undergone keratinization, where cells fill with the protein keratin to form a tough, protective layer on the skin, hair, and nails.

Warts

Skin growths caused by human papillomavirus (HPV) infection, appearing as small cauliflower-like bumps on the skin.