Ap Biology/biochemistry Worksheet printable pdf download

Ap Biology/biochemistry Worksheet

Name _____________________________

Period _________

AP Biology

Date ______________________

AP BIOLOGY • BIOCHEMISTRY MULTIPLE CHOICE EXAM

(RAVEN CHAPTERS 2, 3)

1. Which of the following is an example of a hydrogen bond?

(90:09)

A. The peptide bond between amino acids in a protein

B. The bond between an oxygen atom and a hydrogen in the carboxyl group of a fatty acid.

C. The bond between Na+ and Cl- in salt

D. The attraction between a hydrogen of one water molecule and the oxygen of another

water molecule.

E. The bond between carbon and hydrogen in methane

2. The nitrogenous base, adenine, is found in which three of the following

(90:11)

A. Proteins, chlorophyll, and vitamin A

B. Protein, ATP, and DNA

C. ATP, DNA, and RNA

D. Chlorophyll, ATP, and DNA

E. Proteins, carbohydrates, and ATP

3. A feature of organic compounds NOT found in inorganic compounds is the presence of

(94:10)

A. ionizing chemical groups

B. electrons

C. carbon atoms covalently bonded to each other

D. oxygen

E. hydrogen bonds

4. Which of the following is a correct statement about the relationship between pH and the

hydrogen-ion concentration of a solution?

(94:57)

A. there are no hydrogen ions present in a solution with a basic pH

B. there are no hydrogen ions present in a solution with a neutral pH of 7.0

C. the concentration of hydrogen ions in a solution with a pH of 7.0 is 100 times as great as

that in a solution with a pH of 9.0

D. the concentration of hydrogen ions in a solution with a pH of 5.0 is twice as great as that

in a solution with a pH of 3.0

E. the concentration of hydrogen ions in a solution with a pH of 4.0 is 400 times as great as

that in a solution with a pH of 1.0

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Ap Biology/biochemistry Worksheet