In the Context of Chemical Evolution,DNA's Structure Is Interesting Because

question 20

Multiple Choice

In the context of chemical evolution,DNA's structure is interesting because it suggests a possible copying mechanism.What about DNA's structure facilitates copying?

• A)It has the same number of purines and pyrimidines.
• B)The nitrogenous bases are located on the inside of the double helix.
• C)The strands of the double helix are complementary.
• D)DNA always goes from 5 to 3.

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Definitions:

Opponent-Process Cell

A type of cell in the visual system that is believed to be responsible for processing colors by encoding differences between pairs of colors such as red-green or blue-yellow.

Thalamus

A large, dual-lobed mass of grey matter buried under the cerebral cortex, involved in relaying sensory information and acting as a center for pain perception.

Bipolar Cell

A type of neuron which is found in the retina of the eye, acting as a relay between photoreceptors and ganglion cells.

Cone

A type of photoreceptor cell in the retina of the eye that is responsible for color vision and functions best in relatively bright light.