Lipids and phospholipids

Question 1

Are lipids polymers?

Answer 1

No

Question 2

What do all lipids contain?

Answer 2

Carbon, oxygen and hydrogen

Question 3

Why is the proportion of oxygen smaller in lipids than in carbohydrates?

Answer 3

because there is more carbon and hydorgen

Question 4

Are lipids made out of monomers?

Answer 4

NO

Question 5

What sized complex do lipids have?

Answer 5

large

Question 6

What is the lipids complex called?

Answer 6

Macromolecules

Question 7

Are lipids hydrophobic or hydrophilic?

Answer 7

Hydrophilic

Question 8

What are the 3 groups of lipids?

Answer 8

Triglycerides, phospholipids, waxes

Question 9

What do lipids provide in the plasma membrane?

Answer 9

flexibility

Question 10

What d lipids contribute to the transfer of through the cell membrane?

Answer 10

Transfer of soluble lipid substances

Question 11

What kind of source are lipids?

Answer 11

Energy

Question 12

How much more energy do lipids released compared to carbohydrates?

Answer 12

Twice

Question 13

What cause lipids to be waterproof?

Answer 13

They’re insoluble

Question 14

Examples of waterproofing onorganisms

Answer 14

Birds - feathers

Plants - Waxy cuticle

Question 15

Where do lipids provide protection?

Answer 15

Around vital organs

Question 16

What production do lipids help in?

Answer 16

Hormone

Question 17

What do lipids provide in aquatic animals?

Answer 17

Buyonace

Question 18

What are the 4 parts of a triglyceride?

Answer 18

3 fatty acids

1 glycerol

Question 19

What family are fatty acids a part of?

Answer 19

Carboxylic

Question 20

WHat family is glycerol a aprt of:

Answer 20

Alchol

Question 21

What bond is found i lipids?

Answer 21

Ester bond

Question 22

Where is the ester bond found?

Answer 22

Oxygen and hydrogen (OH)

Question 23

What reaction happens to cause the ester bond to form?

Answer 23

Condensation

Question 24

What uses a condensation reaction to join toghter?

Answer 24

Fatty acids and glycerol

Question 25

What can the difference in fatty acids cause?`

Answer 25

Rise the proportions of fats and oils

Question 26

What can be the difference in fatty acids? (2)

Answer 26

Length | Amount if double carbon bonds

Question 27

What can the doube carbon bond cause?

Answer 27

Kinks

Question 28

What happens if there are kinks?

Answer 28

They dont fit closely toghter