Chapter 6:

Question 1

which class of macromolecules dont have monomers/polymers?

Answer 1

lipids

Question 2

are lipids hydrophobic or hydrophilic?

Answer 2

hydrophobic

Question 3

what are the 3 main types of lipids?

Answer 3

fats, phospholipids, and steroids

Question 4

what is a fat made up of?

Answer 4

fatty acids and glycerol

Question 5

what is a fatty acid?

Answer 5

a long unbranched hydrocarbon chain with a carboxyl group at one end

Question 6

fatty acids can be?

Answer 6

saturated or unsaturated

Question 7

what are saturated fatty acids?

Answer 7

have maximum number of hydrogen atoms and no double bonds
BUTTER

Question 8

what are unsaturated fatty acids?

Answer 8

have one or more double bonds
OLIVE OIL

Question 9

What is glycerol?

Answer 9

3 carbon molecule with a hydroxyl group on each end

Question 10

1,2,3 fatty acid chains added to glycerol?

Answer 10

1: monoglyceride
2: diglyceride
3: triglyceride

Question 11

what is the main function of fats?

Answer 11

store energy and insulation

Question 12

what are phospholipids?

Answer 12

contain 2 fatty acids attached to a glycerol. also have a phosphate group

Question 13

what is the structure of phospholipids?

Answer 13

consists of hydrophilic head ad hydrophobic tails

Question 14

what is the main function of phospholipids?

Answer 14

membrane structure

Question 15

what are steroids?

Answer 15

lipids characterized by a carbon skeleton consisting of 4 fused rings

Question 16

what is the steroid cholesterol?

Answer 16

found in cell membranes and is a precursor for some hormones