A&P 1 Chapter 4

The part of an ATP molecule that holds the energy used in metabolism is

• the sugar.

• the nitrogen-containing base.

• the phosphate bonds.

• the amino acid.

• the adenine.

Glycolysis is referred to as the ____________ phase of cellular respiration because it does not require oxygen.

• anaerobic

• aerobic

• probiotic

• pyruvic

• deoxygenic

For each molecule of glucose that is decomposed completely, up to _______ molecules of ATP can be produced.

• 34

• 38

• 25

• 3

• 100

Cellular respiration occurs in three distinct, yet interconnected series of reactions. Which of the following gives the correct order of these reactions?

• Electron transport chain, glycolysis and citric acid cycle

• Glycolysis, electron transport chain and citric acid cycle

• Citric acid cycle, glycolysis and electron transport chain

• Glycolysis, citric acid cycle and electron transport chain

• Electron transport chain, citric acid cycle, glycolysis

Which of the following substances becomes more abundant during cellular respiration?

• oxygen.

• glucose.

• sucrose.

• glycogen.

• ATP.

An ATP molecule that loses its terminal phosphate becomes

• An ATP molecule that loses its terminal phosphate becomes

  AMP.

• cyclic AMP.

• a glucose molecule.

• ADP.

• an activated ATP.

During the anaerobic phase of cellular respiration, one molecule of glucose

• is broken down to yield two molecules of pyruvic acid.

• combines with another to yield one molecule of pyruvic acid.

• is converted into a molecule of pyruvic acid.

• is broken down to yield one molecule of pyruvic acid and one molecule of lactic acid.

• remains unchanged.

A protein that is altered by exposure to certain chemicals, heat, extremes of pH, electricity, or radiation, is said to be

• unnatural.

• genetically modified.

• denatured.

• mutated.

• reincarnated.

The part of an enzyme that combines with a specific part of the substrate is called the

• passive site.

• active site.

• passive diffusion.

• nucleus.

• co-factor.

Copying of the information in DNA into RNA, which can exit the nucleus is called

• translation.

• deamination.

• transduction.

• replication.

• transduction.