Science Review Topic 3: Lipids

Question 1

What elements make up lipids?

Answer 1

Carbon, Hydrogen & Oxygen
(More C&H than Oxygen)

Question 2

What is the Monomer of Lipids?

Answer 2

No real monomer, however there is Fatty Acids/Glycerol in Lipids

Question 3

What is the similarities between carbohydrates and lipids?

Answer 3

They both serve as a form of energy, They both contain the same elements.

Question 4

What are some differences between carbohydrates and lipids?

Answer 4

Carbohydrates are quick forms of energy, meant to help quickly while lipids are long form fats. Lipids also contain less oxygen than Carbohydrate molecules.

Question 5

Give 3 Examples of Lipids

Answer 5

Saturated Fats
Un-Saturated Fats
Trans Fats

Question 6

Describe the structure of Saturated Fats.

Answer 6

Single bonds, these fats are solid at room temprature.

Question 7

Describe the structure of Un-Saturated Fats.

Answer 7

One or more double bonds (C=C) between 2 lipid molecules. (liquid)

Ex. C-H-C-H-C=C-H-C-H-C

Question 8

Describe the structure of Trans Fats.

Answer 8

Trans fats are artificially made, difficult to break down. (UNHEALTHY)

Question 9

What are the purposes of lipids?

Answer 9

1) Long Term Energy
2) Building Cell membranes
3) Insolation
4) Steroids (messengers)

Question 10

What is the Formula of Lipids?

Answer 10

CH3(CH2)nCOOH

Question 11

What are the 4 Types of Lipids

Answer 11

Fats
Phospholipid
Waxes
Sterols