What Would Be the Consequence If One Base Were Changed

question 9

Multiple Choice

What would be the consequence if one base were changed in the base sequence of a DNA molecule?

• A)Messenger RNA would correct the mistake.
• B)Genome copying would be impossible.
• C)Protein synthesis would stop.
• D)A defective protein could be produced.

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Definitions:

Photoreceptor

Sensory receptor that responds to light stimuli.

Proprioceptor

Class of mechanoreceptor responsible for maintaining the body’s equilibrium and posture; involved in reflex actions.

Organ of Corti

The sensory organ located within the cochlea of the inner ear, responsible for converting sound vibrations into nerve impulses.

Retina

A layer at the back of the eyeball containing cells sensitive to light, which trigger nerve impulses that pass via the optic nerve to the brain.