Question

In prokaryotes, enzymes for respiration are found in

• A. cytoplasm
• B. plasma membrane
• C. nucleus
• D. ribosomes

Answer 1

Answer: (B)

plasma membrane

Answer 2

Prokaryotes are small $(0.5 - 1.5 \,pm)$ organisms. Plasma membrane surrounds the cell. Many enzymes such as those needed in cellular respiration are attached to the plasma membrane. Mesosomes, an ingrowth of plasma membrane, also contain respiratory enzymes when are of lateral type and are also termed chondroid.