Molecular Clocks Are More Reliable When ________

question 64

Multiple Choice

Molecular clocks are more reliable when ________.

• A) the surrounding pH is close to 7.0
• B) most mutations of highly conserved DNA sequences should have no functional effect
• C) the DNA codes for amino acid sequences whose side groups (or R groups) have a neutral pH
• D) a significant proportion of mutations are not acted upon by natural selection

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Definitions:

Afterimages

Visual illusions in which retinal impressions persist after the removal of a stimulus, often in complementary colors.

Trichromatic Theory

A theory in vision science that proposes the human eye has three types of receptors with differing sensitivities to different light wavelengths, corresponding to the colors red, green, and blue.

Apparent Movement

The perception of movement in a stationary object, or the perception of motion caused by certain visual cues or stimuli without actual motion.

Linear Perspective

A technique in art and photography that creates the illusion of depth on a flat surface, using converging lines to mimic how our eyes perceive distance.