Ap Biology/biochemistry Worksheet Page 2

Name _____________________________

AP Biology

5. Which of the following pairs of functional groups characterizes the structure of an amino

acid?

(99:19)

6. The bonding of two amino acid molecules to form a larger molecule requires

A. the release of a water molecule

B. the release of a carbon dioxide molecule

C. the addition of a nitrogen atom

D. the addition of a water molecule

E. an increase in activation energy

7. Animals produce most of their nitrogen-containing wastes during

(90:42 modified)

A. protein digestion

B. carbohydrate digestion

C. lipid digestion

D. glycogen synthesis

E. production of chemiosmotic gradients

8. Which of the following is the most abundant carbon-containing compound in the atmosphere

of the Earth?

(94:01)

A. carbon monoxide

B. carbon dioxide

C. carbon tetrachloride

D. ethane

E. ozone

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