HUMAN NUTRITION

NUTRITION

NUTRITION ENERGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What process occurs in the cytoplasm of a muscle cell?
A
Anaerobic glycolysis
B
Aerobic glycolysis
C
Krebs cycle
D
Electron transport chain
Explanation: 

Detailed explanation-1: -Glycolysis is the process by which glucose is broken down within the cytoplasm of a cell to form pyruvate.

Detailed explanation-2: -Glycolysis occurs in both aerobic and anaerobic states. In aerobic conditions, pyruvate enters the citric acid cycle and undergoes oxidative phosphorylation leading to the net production of 32 ATP molecules. In anaerobic conditions, pyruvate converts to lactate through anaerobic glycolysis.

Detailed explanation-3: -Anaerobic glycolysis takes place in the cytosol of the cell. The enzymes required for glycolysis to occur are located in the cell’s cytosol and not within an organelle, which is why glycolysis also occurs in prokaryotic cells (as they lack any sort of membrane-bound organelles). Therefore, the answer is a. Cytosol.

Detailed explanation-4: -The anaerobic glycolysis (lactic acid) system is dominant from about 10–30 seconds during a maximal effort. It replenishes very quickly over this period and produces 2 ATP molecules per glucose molecule, or about 5% of glucose’s energy potential (38 ATP molecules).

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