Lipids

Question 1

What are lipids made up of?

Answer 1

C H O

Question 2

Lipids are long straight chain of what?

Answer 2

Hydrocarbon-carbon and hydrogen atoms linked together by non-polar covalent bonds.

Question 3

Are lipids hydrophobic or hydrophilic?

Answer 3

Hydrophobic.

Question 4

Th e structure of lipids give a fatty acid a ______ end and a ________ end.

Answer 4

Polar and non-polar

Question 5

Lipids are very important in _________________.

Answer 5

Energy storage.

Question 6

What is the monomer of lipids?

Answer 6

Glycerol and 3 fatty acids.

Question 7

Monomers are ____________ covalent bonds formed through _________________ synthesis.

Answer 7

Non-polar

Dehydration

Question 8

What are the functional groups of glycerol and 3 fatty acids?

Answer 8

Glycerol contains a hydroxyl group.

Fatty acids contain the carboxyl group.

Question 9

What are the functions of glycerol?

Answer 9

Glycerol is responsible for energy storage. It can store twice as much as polysaccharides.
Glycerol is also responsible for phospholipids in cell membranes.
Glycerol is very important for protection of vital organs and insulation of the body.

Question 10

What are the different types of glycerol?

Answer 10

Saturated Fat
Unsaturated Fat
Trans Fat

Question 11

Lipids:

Answer 11

Lipids are diverse compounds that are grouped together because they share one trait- they mix poorly with water.

Question 12

What is the monomer of a lipid?

Answer 12

Glycerol and 3 fatty acids.

Question 13

What kind of bond is glycerol and 3 fatty acids?

Answer 13

Non-polar covalent bonds.

Question 14

Triglycerides are what?

Answer 14

Another name for fats.

Question 15

Functional Groups of glycerol and 3 fatty acids.

Answer 15

Glycerol-hydroxyl

Fatty acids-carboxyl

Question 16

What is an unsaturated fat?

Answer 16

A fat with less than the maximum number of hydrogens.

Question 17

What kind of bonds do unsaturated fats contain?

Answer 17

Double bonds, sometimes even triple bonds.

Question 18

What is a hydrogenated oil?

Answer 18

An unsaturated fat that has been converted to a saturated fat by adding hydrogen. (NOT GOOD)

Question 19

What is a saturated fat?

Answer 19

A saturated fat contain the maximum number of hydrogen.

Question 20

Saturated fats contain what kind of bonds.

Answer 20

Single bonds.

Question 21

The kinks in unsaturated fats prevent molecules from _____________________ and ___________at room temperature.

Answer 21

Packing tightly together and solidifying.

Question 22

Saturated fats __________ at room temperature and pack _________ together.

Answer 22

Solidifies and packs tightly.

Question 23

Saturated fats are linked with what?

Answer 23

Atherosclerosis (heart attacks, clogging of the arteries)

Question 24

What is a grand fat?

Answer 24

Trams fat are monk or poly unsaturated fats but during food processing around them full of hydrogen, resulting in too many.

Question 25

What are phospholipids?

Answer 25

Phospholipids are a class of lipids that are a major component of all cell membranes.

Question 26

What are steroids?

Answer 26

Steroids have 4 fused Carbon rings. Steroids are different from fats. Steroids are classified aspirins because they are non-polar and they make up cholesterol and many hormones.

Question 27

What is a wax?

Answer 27

A lipid.