Chapter 2: Chemistry Of Life

Question 1

Cohesion

Answer 1

The attraction of same type molecules in water and causes drops to form

Question 2

Adhesion

Answer 2

The attraction of different types of molecules water sticks to certain molecules

Question 3

Surface tension

Answer 3

The combination of the adhesion and cohesion properties making it possible for certain organisms to sit on top of water

Question 4

Solution

Answer 4

And evenly distributed liquid mixture salt dissolved in water makes a saltwater solution

Question 5

Solute

Answer 5

What is dissolved in a solution salt and a saltwater solution

Question 6

Solvent

Answer 6

Liquid that dissolves the solute in a solution water in a salt water solution

Question 7

pH

Answer 7

A 0 to 14 scale that shows how much hydrogen ion or hydroxide ion are present in a solution

Question 8

Polarity

Answer 8

A property of a molecule causing it to have positive and negative poles water has polarity substances that are polar are able to dissolve in water

Question 9

Capillary action

Answer 9

A property of water that is caused by adhesion and cohesion and allows water to rise against gravity and a narrow tube such as of a plant

Question 10

Buffer

Answer 10

A solution that maintains pH and does not change easily

Question 11

Monomer

Answer 11

The single building block that can be combined to build a larger molecule

Question 12

Polymer

Answer 12

Large molecules made up of monomers

Question 13

Carbohydrate

Answer 13

An organic molecule whose main function as an energy source

Question 14

Monosaccharide

Answer 14

Simple sugar monomer of carbohydrates

Question 15

Polysaccharide

Answer 15

Complex carbohydrate made from bonding monosaccharides together

Question 16

Lipid

Answer 16

An organic molecule is main function is energy storage

Question 17

Nucleic acid

Answer 17

An organic molecule whose main function is to store and transmit genetic information

Question 18

Nucleotide

Answer 18

Building block of nucleic acids made of three parts and five carbon sugar a polysaccharide group and a nitrogenous base

Question 19

Protein

Answer 19

And organic molecules his name functions are building body structures spinning up chemical reactions in fighting disease

Question 20

Amino acid

Answer 20

Monomer of proteins

Question 21

Chemical reaction

Answer 21

A process where reactants are transformed into products through the breaking down of chemical bonds

Question 22

Reactant

Answer 22

Chemicals that are going in to chemical reaction

Question 23

Product

Answer 23

The chemicals that result from a chemical reaction

Question 24

Activation energy

Answer 24

Energy required to start a reaction to occur

Question 25

Enzyme

Answer 25

A protein that actually catalyst and acts as an activation energy

Question 26

Substrate

Answer 26

Reactants in an enzyme chemical reaction

Question 27

Catalyst

Answer 27

Chemicals that speedup chemical reactions

Question 28

Exergonic reaction

Answer 28

Reactions that release energy

Question 29

Endergonic reaction

Answer 29

Reaction that absorbs energy

Question 30

Hydrogen bond

Answer 30

A weak chemical bond that occurs between compound such as water molecules