2.8 Cell Respiration

Question 1

Anaerobic respiration is useful in three situations:

Answer 1

1) When a short but rapid burst of ATP is needed
2) When oxygen supplies run out in respiring cells
3) In environments that are deficient in oxygen

Question 2

Anaerobic cell respiration in humans:

Answer 2

glucose converted to lactic acid (which is usually in a dissolved form known as lactate)

Question 3

Anaerobic respiration in yeast and plants:

Answer 3

glucose converted to ethanol and CO2

Question 4

Lactate and ethanol…

Answer 4

toxic in excess