1.5 bio molecules again

Question 1

are lipids soluble?

Answer 1

only in organic substances such as alcohol

Question 2

describe the makeup of triglycerides

Answer 2

a long branch of glycerol with three fatty acids held together by ester bonds

Question 3

which group is represented by COOH

Answer 3

carboxyl

Question 4

glycerol + 3 fatty acids makes…

Answer 4

triglyceride + 3 water

Question 5

hydrolysis of a triglyceride produces…

Answer 5

3 fatty acids and glycerol

Question 6

describe the similarities between triglycerides and phospholipids

Answer 6

triglycerides contain a glycerol molecule with 3 fatty acid hydrocarbons attached. phospholipids contain 2 fatty acid hydrocarbons as one is replaced with the phosphate.

Question 7

what type of bond holds lipids together?

Answer 7

ester bnonds

Question 8

which bonds form in proteins and where

Answer 8

peptide bonds, between OH from the carboxyl group and H from the amino group

Question 9

what causdes the alpha helix to form its spiral shape

Answer 9

hydrogen bonds