Fermentation and/or anaerobic respiration occurs place in this part of the cell.

Cytoplasm

Explanation:

Anaerobic respiration occurs in the cytoplasm. Fermentation enzymes are not restricted to specific organelles or cell structures. In contrast, aerobic respiration depends on mitochondria in eukaryotes and plasma membrane in prokaryotes.

Cytoplasm.  

Explanation:

Fermentation in prokaryotic and eukaryotic cells occur in the cell cytoplasm.

In prokaryotic cells most of metabolic pathways occur in the cytoplasm.

In eukaryotic cells, glycolysis and fermentation  occur in the cytoplasm. The aerobic pathways, occur in the mitochondria.

answer///multiple alleles;