Which of the Following Is NOT a Redox Pair

question 22

Multiple Choice

Which of the following is NOT a redox pair?

• A) fumarate/succinate
• B) NADH/NAD
• C) H₂S/H₂O
• D) quinone/quinol (Q/QH₂)
• E) FAD/FADH₂

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Definitions:

Enterokinase

Intestinal proteolytic enzyme that converts trypsinogen into trypsin.

Trypsinogen

An inactive enzyme precursor produced in the pancreas, that, once activated to trypsin, plays a key role in the digestion of proteins in the small intestine.

Cholecystokinin

Cholecystokinin is a hormone produced by the cells of the duodenum, involved in stimulating the digestion of fat and protein by triggering the gallbladder to release bile and the pancreas to secrete enzymes.

Gallbladder

A small, pear-shaped organ located beneath the liver, which stores and concentrates bile, a digestive fluid produced by the liver.