Which DNA Modification Is the Addition of a -CH3 Group

question 31

Multiple Choice

Which DNA modification is the addition of a -CH3 group?

• A) triple strand
• B) methylation
• C) looping
• D) cytosine substitution
• E) hydroxylation

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Definitions:

Intraocular Pressure

The fluid pressure inside the eye, important for maintaining the shape of the eye and the health of eye tissues.

Extraocular Muscles

The muscles surrounding the eyeball that enable it to move in different directions and maintain its position within the socket.

Presbyopia

A natural, age-related loss of the eyes' ability to focus on close objects, typically beginning in mid to late adulthood.

Lens Elasticity

The ability of the lens in the eye to change shape to focus on objects at various distances; it tends to decrease with age.