AP BIO 3.4 ENZYME

What are the three main kinds of work a cell does?

• Electrical, Transport, Mechanical

• Chemical, Transport, Mechanical

• Chemical, Electrical, Mechanical

• Transport, Electrical, Chemical

What molecule mediates most energy coupling in cells?

• DNA

• ATP

• RNA

• NADH

ATP is composed of ribose, adenine, and how many phosphate groups?

• One

• Two

• Three

• Four

What process breaks the bonds between the phosphate groups of ATP?

• Condensation

• Hydrolysis

• Oxidation

• Reduction

What happens to a protein's shape and ability to bind to another molecule after ATP hydrolysis?

• It remains unchanged

• It changes shape and often its ability to bind

• It becomes inactive

• It dissolves

ATP is regenerated by the addition of a phosphate group to which molecule?

• AMP

• ADP

• GDP

• GTP

The energy for the phosphorylation of ADP comes from what type of reactions in the cell?

• Anabolic

• Catabolic

• Synthesis

• Decomposition

What is the primary role of ATP in the cell?

• To store genetic information

• To provide structural support

• To supply energy

• To transport nutrients