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
Answer:
A congenital disorder is a medical condition that is present at or before birth. These conditions, also referred to as birth defects, can be acquired during the fetal stage of development or from the genetic make up of the parents.
Explanation:
The continuation of life depends on both <u>sexual </u>and <u>asexual reproduction</u>.
Reproduction is a process where an organism gives rise to another organism, often called as "offspring". Its a process of increasing the population of any species on Earth. There are two types of reproduction process-
1. Asexual- where exact copies of parent organism are formed, also only single parent is involved.
2. Sexual- Two parents of opposite sexes are involved, offsprings are not identical to parents. There is scope of variation in sexual reproduction.
<span>A millimeter is 1/1000th of a meter, and a micrometer is 1/1000th of a millimeter.</span>