Energy, ATP, and Cellular Respiration

Question 1

_________ reactions result in a release of energy.

reactants —> products + ENERGY

Answer 1

Exothermic

Question 2

_________ reactions result in an absorption of energy.

Reactants + ENERGY —> products

Answer 2

Endothermic

Question 3

What are the final products of the oxidation of glucose in the body’s cells? (cellular respiration)

Answer 3

Glucose + Oxygen = Carbon Dioxide + Water + Energy

Question 4

What is the difference between aerobic and anaerobic respiration?

Answer 4

Aerobic requires oxygen, anaerobic does not require oxygen

Question 5

What does ATP do?

Answer 5

Captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes.

Question 6

Stage 1 of cellular respiration; Glycolysis (occurs in _____) Enzymes convert each glucose molecule into 2 ______ _____ molecules. This produces 2 ATP for the cell and _____ require oxygen.

Answer 6

Cytoplasm, pyruvic acid, Does not.

Question 7

Stages 2 - 4 of cellular respiration: In the ________. Pyruvic acid breaks down into ____, ____ & ____ molecules. This process requires oxygen and produces 34 ATP for cell

Answer 7

Mitochondria, heat, CO2 and water