How DNA Works

Question 1

DNA

Answer 1

A molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits.

Question 2

Nucleotides

Answer 2

A sub unit that consists of a sugar, a phosphate, and nitrogenous base.

Question 3

RNA

Answer 3

A molecule that is present in all living cells and that plays a role in protein production.

Question 4

Ribosomes

Answer 4

a minute particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells. They bind messenger RNA and transfer RNA to synthesize polypeptides and proteins.

Question 5

Mutations

Answer 5

the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes.