Topic 4 - Bioenergetics

Question 1

Aerobic respiration

Answer 1

A form of respiration that uses oxygen to release energy from molecules like glucose - represented by the following word equation.

Question 2

Anaerobic respiration

Answer 2

A form of respiration that releases energy from molecules like glucose without using oxygen.

Question 3

Cellular respiration

Answer 3

An exothermic reaction which is continuously occurring in
living cells.

Question 4

Inverse proportion

Answer 4

A relationship between two values where as one value increases, the other value decreases at the same rate.

Question 5

Inverse square law

Answer 5

As the distance from a light source increases, the light intensity is
inversely proportional to the distance squared.

Question 6

Limiting factor

Answer 6

A factor that limits the rate of a reaction when there is not enough of it.

Question 7

Metabolism

Answer 7

The sum of all the reactions in a cell or the body.

Question 8

Oxygen debt

Answer 8

The amount of extra oxygen the body needs after exercise to
react with the accumulated lactic acid and remove it from the cells.

Question 9

Photosynthesis

Answer 9

An endothermic reaction in which energy is transferred from the environment to the chloroplasts by light.