Illinois State University

FCS 102

Chapter 5

Question1)Proteins are macromolecules made from which of the following subunits?

1. glycerol
2. amino acids
3. glucose
4. fatty acids

Question 2

Proteins are unique in terms of their chemical structure when compared to carbohydrate and lipids because they contain                  .

1. carbon
2. nitrogen
3. hydrogen
4. oxygen

Question 3

Proteins can be classified as essential, nonessential, or         essential.

1. 1. conditionally
   2. temporarily
   3. partially
   4. provisionally

Question 4

How many different amino acids must humans get from their food?

1. 11
2. 13
3. 9
4. 7

Question 5

What is another name for a chain of more than 12 amino acids that are bonded together?

1. tripeptide
2. polypeptide
3. glycogen
4. polysaccharide

Polypeptide chains are twisted and folded into three-dimensional shape called the protein's        

structure.

1. tertiary
2. quaternary
3. primary
4. secondary

Question 7

Protein digestion involves the hormones gastrin, CCK, and       .

1. secretin
2. HCL
3. pepsinogen
4. trypsin

Question 8

Pepsinogen is converted into its active form pepsin by         .

1. gastrin
2. peptidase
3. chymotrypsin
4. hydrochloric acid

Question 9

Most amino acids enter your          and circulate to the       .

1. blood, pancreas
2. lymph, pancreas
3. blood, liver
4. lymph, liver

Question 10

Which one of the following proteins helps draw fluid from the interstitial spaces back into the blood vessels?

1. 1. albumin
   2. hemoglobin
   3. myoglobin
   4. gastrin