Much of the Stability of the Double-Stranded DNA Structure Is

question 44

Multiple Choice

Much of the stability of the double-stranded DNA structure is the result of

• A)hydrogen bonding between purines.
• B)the phosphodiester backbone.
• C)the angle of the planes of the bases with respect to the helix axis.
• D)the stacking interactions between base pair.

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Definitions:

Photoreceptor Cells

Specialized cells in the retina of the eye that convert light into signals that can be processed by the brain, allowing for vision.

Retina

A layer of cells at the back of the eye that senses light and converts it into neural signals, which are sent to the brain for visual recognition.

Fovea

A small depression in the retina of the eye where visual acuity is highest due to the concentration of cones.

Cones

Photoreceptor cells in the retina of the eye responsible for color vision and functioning best in relatively bright light.