Test 1

Question 1

changed during a chemical reaction

Answer 1

Reactants

Question 2

Exothermic

Answer 2

release more energy than they absorb.

Question 3

Endothermic

Answer 3

absorb more energy than they release.

Question 4

Changes in ph and temperature

Answer 4

Disruptions in homeostasis can prevent enzymes from properly functioning.

Question 5

activation energy

Answer 5

amount of energy
needed to start a chemical
reaction.

Question 6

Chemical reaction/ reaction rate

Answer 6

Speeds up

Question 7

made by a chemical reaction.

Answer 7

Products

Question 8

Equilibrium

Answer 8

reactants and
products form at the same
rate.

Question 9

catalyst lowers?

Answer 9

activation energy

Question 10

Catalyst speeds up

Answer 10

Chemical reaction/ reaction rate

Question 11

Enzymes perform chemical reactions by

Answer 11

breaking and forming

Question 12

Ose

Answer 12

Sugar

Question 13

Nucleic acid monomers

Answer 13

Nucleotides

Question 14

Nucleic acid polymer

Answer 14

DNA or RNA

Question 15

Protein monomers

Answer 15

Amino acid

Question 16

Protein polymer

Answer 16

Polypeptide

Question 17

Mono

Answer 17

1

Question 18

Di

Answer 18

2

Question 19

Poly

Answer 19

Many

Question 20

Nucleic acid function

Answer 20

Stores in carries genetic information

Question 21

Carbohydrate monomer

Answer 21

Monosaccharides (Simple sugar)

Question 22

Carbohydrate polymer 

Answer 22

Polysaccharide (Complex carbohydrate)

Question 23

Lipid monomers

Answer 23

Fatty acid

Question 24

Lipids polymers

Answer 24

Lipids (Triglycerides and phospholipids)

Question 25

Zero

Answer 25

The strongest acid

Question 26

14

Answer 26

The strongest basic (basses)

Question 27

Seven

Answer 27

Neutral (water)

Question 28

Electrons are part of atoms that involved in all types of

Answer 28

Bonding

Question 29

Covalent bonds occur when atoms

Answer 29

Share electron 

Question 30

Ionic bonds occur when

Answer 30

Atoms gain or lose electrons

Question 31

Water

Answer 31

Polar (Slightly charged regions) covalent molecule 

Question 32

Hydrogen bonds

Answer 32

Slightly positive Hydrogen atoms and slightly negative oxygen atoms

Question 33

Are in the nucleus and have a positive charge

Answer 33

Protons

Question 34

Are also in the nucleus and have no charge

Answer 34

Neutrons

Question 35

Orbit the nucleus and have a negative charge

Answer 35

Electron

Question 36

Hydrogen bonds are responsible for four important properties of water

Answer 36

• Universal solvent (adhesion) • High specific heat • Surface tension (cohesion) • less dense as a solid 

Question 37

 Bond energy

Answer 37

The amount of energy that it takes to break a bond between two atoms