5 Steps to a 5 AP Biology, 2014-2015 Edition

❯ Review Questions

For questions 1–4, please use the following answer choices:

48 ❯ STEP 4. Review the Knowledge You Need to Score High

1. Which of the structures shown above is a
   polypeptide?


2. Which of these structures is a disaccharide?


3. Which of these structures is a fat?


4. Which of these structures is an amino acid?


5. Which of the following has both a hydrophobic
   portion and a hydrophilic portion?
   A. Starch
   B. Phospholipids
   C. Proteins
   D. Steroids
   E. Chitin
   6. A solution that has a pH of 2 is how many
   times more acidic than one with a pH of 5?
   A. 2
   B. 5
   C. 10
   D. 100
   E. 1,000
   7. The structure below contains which functional
   group?

A. Aldehyde

B. Ketone

C. Amino

D. Hydroxyl

E. Carboxyl

CH 3

H

NC CO

H

H OH

O

CH 3

H 2 NCC

H O

CH 3

H O CH 2

H

SH

OH

N C C N C C O

H

HCO

OH

H

H

H

H

H

H

H

H

H

C C C C C C H

HCO

OH

H

H

H

H

H

H

H

H

H

C C C C C C H

HCO

OH

H H

H

H

H

H

H

H

H

H

C C C C C C H

(A)

(B)

(C)

(D)

O

CH 3 CH 2 C CH 3