Respiration

Question 1

What is the definition of respiration?

Answer 1

The process by which plant and animal cells release the chemical energy stored in glucose.

Question 2

What is the energy released during respiration used for?

Answer 2

Muscle cell contraction
Cell division
Protein synthesis
Transmission of nerve impulses

Question 3

What is glucose always converted into in the first stage of respiration?

Answer 3

Pyruvate (x2) and ATP (×2)

Question 4

In fermentation in animal cells, what is pyruvate converted into?

Answer 4

Lactate (until oxygen becomes available)

Question 5

In fermentation in yeast/plant cells what is pyruvate converted into?

Answer 5

Ethanol and carbon dioxide

Question 6

In aerobic respiration in animal cells, what is pyruvate converted into?

Answer 6

Water, carbon dioxide and a large number of ATP

Question 7

Where does the fermentation take place?

Answer 7

Cytoplasm

Question 8

Where does the first stage of aerobic respiration take place?

Answer 8

Cytoplasm

Question 9

Where does the second stage of aerobic respiration take place?

Answer 9

Mitochondrion

Question 10

What is the function of ATP?

Answer 10

To transfer chemical energy from glucose to the cell.