science ch. 4 notes

Question 1

Deoxyribonucleic acid, a molecule that is present in all living thing cells and that contains the information that determines the traits that a kiving thing inherits and needs to live

Answer 1

DNA

Question 2

In a nucleic acid chain, a subunit that consists of a sugar, a phosphate, and a nitrogenous base

Answer 2

nucleotide

Question 3

Ribonucleic acid, a molecule that is present in all living cells and that plays a role in protein production

Answer 3

RNA

Question 4

A cell organelle composed of RNA and protein; the site of protein synthesis

Answer 4

Ribosome

Question 5

A change in the nucleotide- base sequence of a gene or DNA molecule

Answer 5

Mutation