AP BIOLOGY

LABORATORY REVIEW

CELL RESPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
T/F:Anaerobic respiration occurs in the mitochondria.
A
true
B
false
Explanation: 

Detailed explanation-1: -Reason: Aerobic respiration takes place in mitochondria, whereas anaerobic respiration occurs in the cytoplasm.

Detailed explanation-2: -While most aerobic respiration (with oxygen) takes place in the cell’s mitochondria, and anaerobic respiration (without oxygen) takes place within the cell’s cytoplasm.

Detailed explanation-3: -Anaerobic respiration is a type of cellular respiration where respiration takes place in the absence of oxygen. It takes place in the cytoplasm since most anaerobic cells do not have specialized organelles whereas aerobic respiration takes place in the mitochondria.

Detailed explanation-4: -It produces ATP by the breakdown of a glucose molecule. Without mitochondria, the cell will be dependent on anaerobic respiration for energy, but survival is not possible as the energy produced will be much less compared to aerobic respiration.

Detailed explanation-5: -In anaerobically functioning mitochondria that produce succinate, malate enters the mitochondrion and is converted to fumarate, which serves as the terminal electron acceptor. Fumarate reductase (FRD) donates electrons from glucose oxidation to fumarate, yielding succinate.

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