On Planet X,some Areas Receive a Lot of Ultraviolet Radiation

question 29

Multiple Choice

On Planet X,some areas receive a lot of ultraviolet radiation.What skin color would you expect Planet X's people to have if they live in those areas?

• A)always light
• B)always dark
• C)light unless their diet contains a lot of Vitamin D
• D)dark unless their diet contains a lot of Vitamin D
• E)light unless their diet contains a lot of Vitamin A.

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Definitions:

Lactose

A sugar composed of galactose and glucose that is found in milk.

Polypeptide Production

The process of synthesizing polypeptides, which are long chains of amino acids, through transcription and translation of genetic information.

Initiation

The start phase in various biological and chemical processes, such as the beginning of DNA replication or protein synthesis.

Elongation

In the context of protein synthesis, elongation is the stage during which amino acids are sequentially added to the growing polypeptide chain by the ribosome.