Chapter 2 Vocab

Question 1

Atom

Answer 1

Individual components of an element, cannot be subdivided further without losing essential properties

Question 2

Molecule

Answer 2

Groups of atoms held together by bonds

Question 3

Election

Answer 3

Negatively charged particles that surround the nucleus

Question 4

Proton

Answer 4

Particles with a positive charge, are in nucleus

Question 5

Ion

Answer 5

Atom with a positive or negative charge due to electron #

Question 6

Atomic #

Answer 6

of protons in atom

Question 7

Atomic mass

Answer 7

Mass of atom, combined protons and neutrons

Question 8

Monosaccharides

Answer 8

Simple sugars

Question 9

Disaccharide

Answer 9

2 simple sugars bonded together

Question 10

Polysaccharide

Answer 10

Complex carbohydrate. Large # of simple sugars bonded together

Question 11

Glycogen

Answer 11

Chains of glucose stored in muscles and liver

Question 12

Desaturation

Answer 12

Disruption of protein folding caused by physical disruption (heat, pH)

Question 13

Dipeptide

Answer 13

2 amino acids joined together

Question 14

Polypeptide

Answer 14

Several amino acids joined together in “string”

Question 15

Nucleotides

Answer 15

Make up nucleic acid, consist of 1 sugar molecule, a phosphate group, and a nitrogen containing molecule

Question 16

Element

Answer 16

A substance that cannot be broken down chemically into any other substances.