Answer: Option A) Amino acids
Explanation:
The animal hair has rich deposits of keratin, a protein that helps the hair stand erect, tough and rigid in its shaft.
And since protein are macromolecules made up of several units of amino acids, we can safely say animal hair is made of amino acids
Eight inches four inches and eighteen inches
These molecules - proteins, lipids, carbohydrates, and nucleic acids - make up every component in living things. Lipids are used as energy and form making membranes that all living things have. Carbohydrates are the primary source of energy for many living things. Proteins are used to build tissues or enzymes. Nucleic acids are used for the genetic material to be transferred to offspring.
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<span>For the most part, skin cancers are acquired through sun exposure so are more environmental rather than genetic. However, we do inherit our skin type from our parents so there is an indirect inherited predisposition to cancer. For example, a person whose skin is very white and fair is more likely to accumulate sun damage rather than a person whose skin is darker and has more inherent sun protection.</span>
