LE2

Question 1

waxes are made up of what types of chains?

Answer 1

long fatty acid chains and long chain alcohols

Question 2

what are two main components of a fat molecule?

Answer 2

glycerol and fatty acids

Question 3

phospholipids are classified as amphipathic molecules because they have

Answer 3

both hydrophobic and hydrophilic parts

Question 4

which refers to a fatty acid with no double bonds?

Answer 4

saturated fatty acid

Question 5

which of the following is NOT a source of omega-3 fatty acids

Olive oil
Salmon
Mackerel
Walnuts
Flax Seeds

Answer 5

Olive oil

Question 6

what molecule is primarily synthesized in the liver and is a precursor for many hormones?

Answer 6

cholesterol

Question 7

the type of inhibitor that binds to a location other than the active site is called

Answer 7

non-competitive

Question 8

the specificity of an enzyme for its substrate is known as

Answer 8

molecular recognition

Question 9

enzymes are able to increase the rate of chemical reactions by

Answer 9

decreasing activation energy

Question 10

which fatty acid is an example of an unsaturated fatty acid

Answer 10

oleic acid

Question 11

substrate is bound to the enzyme using the following interactions except

H bonding
Van Der Waals interactions
Covalent bonding
Ionic bonding

Answer 11

Covalent bonding

Question 12

the other name of Vitamin B2 is

Answer 12

Riboflavin

Question 13

what is the main source of omega-3 fatty acids

Answer 13

fish

Question 14

the vitamin that contains a cyanogroup coordinated to cobalt is

Answer 14

vitamin B12

Question 15

different forms of the same enzyme is called

Answer 15

isozyme

Question 16

the vitamin used to form TPP is

Answer 16

vitamin B1

Question 17

omega-3 fatty acids are characterized by having a double bond at which position

Answer 17

third carbon from the end

Question 18

glycerol has how many carbons in its structure

Answer 18

three

Question 19

the hydrophobic tails of phospholipids are sequestered where in a membrane?

Answer 19

midde of the bilayer

Question 20

what term is used to describe fats that contain three fatty acids attached to glycerl

Answer 20

triglycerides

Question 23

during the formation of triacylglycerow, how many water molecules are released?

Answer 23

three

Question 23

what structural feature distinguishes trans fats from cis fats

Answer 23

hydrogens are on opposite ends of the double bond in trans fats

Question 24

what type of bond connects fatty acids to glycerol in a fat molecule

Answer 24

ester bond