Chapter 22 Quiz 1

Both respiration and burning are exothermic reactions.

• True

• False

The reactions in respiration are controlled by enzymes.

• True

• False

The reactions in respiration cannot take place without oxygen.

• True

• False

Complete the word equation for aerobic respiration.

oxygen + (a)_________________ → carbon dioxide + (b)_________________ + energy

• (a) water；(b) glucose

• (a) glucose；(b) water

In which forms is energy released by respiration?

(1) chemical energy in ATP

(2) chemical energy in water

(3) heat

• (1) and (2) only

• (1) and (3) only

• (2) and (3) only

• (1), (2) and (3)

The diagram shows the cross section of a mitochondrion.

Identify structure P.

• cristae

• matrx

• intermembrane space

The diagram shows the cross section of a mitochondrion.

Identify structure Q.

• cristae

• matrx

• intermembrane space

Which of the following cells contain the greater number of mitochondria?

• skin cell

• muscle cell