anaerobic respiration

Question 1

when does anerobic respiration occurand where?

Answer 1

occurs in cytoplasm
in lack of oxygen

Question 2

products of anaerobic respiration

Answer 2

in plants and microbes- pyurvate produced in glycolysis is reduced to ethanol and carbon dioxide

in animals the pyruvate produced in glycolysis is reduced to lactate by accepting hydrogen from the reduced NAD.