Cellular Respiration

The overall reaction for the aerobic respiration of glucose is summarized as

• C₆H₁₂O₆ + 6 O₂ + 6 H₂O → 6 CO₂ + 12 H₂O + Energy

• C₆H₁₂O₆ + 12 H₂O + 6 CO₂ → 6 O₂ + Energy.

• C₄H₁₂O₄ + 6 O₂ + 6 H₂O → 6 CO₂ + Energy.

• C₄H₁₂O₂ + 6 O₂ → 6 CO₂ + 12 H₂O + Energy

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

In eukaryotes, glycolysis occurs in the:

• mitochondrial inner membrane

• cytosol

• mitochondrial matrix.

• Golgi complex

Substrate-level phosphorylation involves the transfer of a phosphate group from:

• ATP

• ADP

• NADH

• 1,3-bisphosphoglycerate

Tags

NGSS.HS-LS1-7

Glycolysis yields a net energy profit of ___ ATP molecules per molecule of glucose.

• 0

• 1

• 2

• 4

Tags

NGSS.HS-LS2-3

Considering only glycolysis and the conversion of pyruvate molecules to acetyl CoA molecules, how many NADH molecules will be produced from one glucose molecule?

• 1

• 2

• 3

• 4

During the Krebs cycle, each acetyl group entering the cycle yields:

• 1 ATP, 2 NADH, and 3 FADH₂

• 1 ATP, 3 NADH, and 1 FADH₂

• 3 ATP, 2 NADH, and 1 FADH₂

• 4 ATP, 2 NADH, and 1 FADH₂

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which of the following steps in the Krebs cycle directly produces a molecule of ATP (or GTP)?

• citrate → isocitrate

• isocitrate → α-ketoglutarate

• succinyl CoA → succinate

• succinate → fumarate

Tags

NGSS.HS-LS1-7

When hydrogen ions (protons) are pumped across the inner mitochondrial membrane, they form a proton gradient. ATP is then formed by a process known as:

• glycolysis

• Krebs cycle

• chemiosmosis

• substrate-level phosphorylation

Tags

NGSS.HS-LS1-7

During aerobic respiration, oxygen is:

• formed from water

• reduced to water

• oxidized to water

• decarboxylated to water

Tags

NGSS.HS-LS1-7

Which of the following molecules can be used as a substrate for cellular respiration?

• carbohydrates

• fats

• proteins

• all of the above

Tags

NGSS.HS-LS1-7