Which of the Following Describes an Association Between Vitamin a and Vision

question 7

Multiple Choice

Which of the following describes an association between vitamin A and vision?

• A)Retinoic acid is the form required for synthesis of retinoblasts.
• B)Light causes retinal to shift from a cis to a trans configuration.
• C)Retinol is the form bound to beta-carotene in the corneal membrane.
• D)Pigment molecules in the retina are composed of a molecule of vitamin A bound to an omega-3 fatty acid.
• E)Retinol protects the visual cortex from teratogenic chemicals.

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Definitions:

Capital

Assets used in the production of goods and services, such as machinery, buildings, or tools.

Production Efficiency

A situation where the economy is utilizing all of its resources efficiently, producing what people want at the lowest possible cost.

Production Possibility Frontier

Describes the maximum possible output combinations of two goods or services an economy can achieve when all resources are fully and efficiently utilized.

Unemployment Rate

The percentage of the labor force that is jobless and actively looking for employment.