2: Chemistry

Question 1

What’s an ion

Answer 1

A charged particle

Question 2

Cation

Answer 2

Positive ion

Na +
K +
Ca 2+
Mg 2+

Question 3

Anion

Answer 3

Negative ion

Cl -
HCO3 - (bicarb)
HPO4 2- (diphosphate)
SO4 2- (sulfate)

Question 4

Ionic bond

Answer 4

Cation DONATES e- to anion

Question 5

Covenant bond

Answer 5

Cation and anion share e-

Non polar- equal share

Polar- unequal share

Question 6

Hydrogen bond

Answer 6

H is pos O is neg and they attract other H’s and O’s

Allows almost all molecules to dissolve in water

Question 7

Hydrophobic

Answer 7

Molecule that doesn’t dissolve in water

Question 8

Metabolic pathways

Answer 8

Catabolic- subtract to get energy and little molecules

Anabolic- add to get big molecule

Question 9

Enzyme

Answer 9

Activation energy catalyst

Question 10

Enzyme saturation

Answer 10

Once existing enzymes are occupied you’ve reached max utilization

Question 11

3 reasons water is important in body

Answer 11

1. Chemical reactions happen in water
2. Has high tolerance to heat
3. Waters a solvent

Question 12

pH

Answer 12

Based on H+ which is highly reactive
0-6 acid
7 neutral
8-14 base

Question 13

PH of blood

Answer 13

7.35-7.45

Question 14

pH buffer

Answer 14

Stabilizes H+ by either talking it out or putting it in solution