AP Chemistry: Organic Chemistry & Biochemistry 3

Question 1

Which class of biomolecule includes enzymes?

Accepted Answer

Proteins

Answer

Enzymes are proteins that catalyze biochemical reactions.

Question 2

What is the general formula for a saturated alkane?

Accepted Answer

CnH2n+2

Answer

Alkanes follow CnH2n+2 because they contain only single bonds.

Question 3

Markovnikov's rule predicts the product of:

Accepted Answer

Addition of HX to an alkene

Answer

Markovnikov's rule states H adds to the carbon with more hydrogens during HX addition to alkenes.

Question 4

Which monosaccharide is the primary fuel for cellular respiration?

Accepted Answer

Glucose

Answer

Glucose is the main sugar oxidized to release energy in cells.

Question 5

An sp3 hybridized carbon has what bond angle?

Accepted Answer

109.5 degrees

Answer

sp3 hybridization gives tetrahedral geometry with 109.5 degree angles.

AP Practice Test