Lesson Three

Question 1

An Ion is ….

Answer 1

A charged atom that has either gained or lost an electron

Question 2

An ionic bond is …

Answer 2

Forms between ions that are oppositely charged

Question 3

a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change

Answer 3

Catalyst

Question 4

High heat inside of a cell IS possible. True or false?

Answer 4

False.

Question 5

Hydrogen bonding is a ____ bond within molecules that results from a partial (___) charge on hydrogen and a partial (-) charge on highly electronegative atoms.

Answer 5

WEAK and + positive

Question 6

A solvent with a solute together is called ….

Answer 6

A solution

Question 7

Is water a good solvent for a Nonpolar covalent bond?
(Hint; bipolar will jump into water when fully clothed.)

Answer 7

No they are not

Question 8

Specific heat is …

Answer 8

The amount of energy required to raise temperature of 1g of a substance.

Question 9

What is a Petidoglycan?
(Hint: a DOG will eat anything)

Answer 9

Call walls of bacteria. Only some fungi can break it down.

Question 10

Sucrose is…
(Hint: sweet)

Answer 10

Table sugar

Question 11

Galactose is…
(Hint: Gallon)

Answer 11

Milk sugar

Question 12

Dehydration and condensation help form and store sugars. What breaks them down?

Answer 12

Hydrolysis.

Question 13

Monosaccharide is….
(Hint: break down the word)

Answer 13

Mono is a measurement of 1
Saccharide is sugar

Question 14

-OSE

Answer 14

Ending word meaning sugar

Question 15

Hydrocarbons are made of carbon and hydrogen. Thus they are ____. And they are non-polar.

Answer 15

Organic

Question 16

Hydrocarbon chains are either horizontal links or they curve. What are the terms for these two types of chains in lipids?

Answer 16

Saturated (the straight horizontal)
Unsaturated (the zig zag)

Question 17

Butter is an example of what kind of hydrocarbon chain?

Answer 17

Saturated.

Question 18

A structure of a steroid is ….
(Hint: Ring)

Answer 18

4 fused carbon rings with functional groups.

Question 19

Cholesterol is a steroid. True or false?
(Hint: Cheetahs are fit)

Answer 19

True, and is found in animal cell
membranes

Question 20

Cholesterol is an important element in building hormones. There are three. Name them.
(Hint: mom, dad, child.)

Answer 20

Testosterone, estrogen and cortisol