Chapter 1 The Molecules Of Life

Question 0

What is a radioisotope?

Answer 0

An unstable isotope that decays over time by emitting radiation

Question 1

What is an isotope?

Answer 1

Atoms of the same element that have different numbers of neutrons

Question 2

What is a molecule?

Answer 2

A substance composed of two or more non-metal atoms that are covalent lot bonded together

Question 3

What is an Organic Molecule?

Answer 3

A carbon-containing molecule in which carbon atoms are nearly always bonded to each other and to hydrogen

Question 4

What is biochemistry?

Answer 4

The study of the activity and properties of biologically important molecules

Question 5

Define intramolecular

Answer 5

Occurring between atoms within a molecule

Remember: stronger

Question 6

Define Intermolecular

Answer 6

Occurring between atoms of different molecules

Remember: Weaker

Question 7

Hydrophobic is?

Answer 7

Referring to non-polar molecules that do not have attractive interactions with water molecules
Eg. Scared of water

Question 8

Hydrophilic is?

Answer 8

Referring to polar molecules that have attractive interactions with water molecules
Eg. Love water

Question 9

What is an ion?

Answer 9

An atom or group of aims that has gained or lost one or more electrons,giving it a positive or negative charges
Eg. Cation/Anion

Question 10

What is a functional group?

Answer 10

An atom or group of atoms attached to a molecule that give the molecule particular chemical and physical properties

Question 11

Hydroxyl

Answer 11

Found in carbs, proteins, nucleic acids, lipids

Question 12

Carbonyl

Answer 12

Carbs, nucleic acids

Question 13

Carboxyl

Answer 13

Proteins, lipids

Question 14

Amino

Answer 14

Proteins, nucleic acids

Question 15

Sulfhydryl

Answer 15

Proteins

Question 16

Phosphate

Answer 16

Nucleic acids