Enzymes — Flashcards

Flashcard 71: Aconitase is an _____ containing enzyme.

Answer: iron (mineral)

Flashcard 72: Which metals are co-factors for superoxide dismutase (SOD)?

Answer: Copper, Zinc, and Manganese

Extra: Human superoxide dismutase (SOD) isoforms: • SOD1 (cytosolic): Cu and Zn • SOD2 (mitochondrial): Mn • SOD3 (extracellular): Cu and Zn

Flashcard 73: Enzyme increases the rate of reaction by reducing the _____

Answer: activation energy.

Flashcard 74: Which LDH isozyme is found in the Brain, Kidney, Lungs, Spleen, pancreas?_____

Answer: LDH-3

Flashcard 75: Which substance is an inhibitor of alpha-ketoglutarate dehydrogenase?_____

Answer: Arsenite (element)

Flashcard 76: Which element is a part of enzyme Glutathione peroxidase?_____

Answer: Selenium

Flashcard 77: Which metal is a co-factor for alcohol dehydrogenase and carbonic anhydrase?

Answer: Zinc

Flashcard 78: Which ion is a part of enzyme amine oxidase?_____

Answer: Copper

Flashcard 79: _____ are enzymes that catalyze the same reaction, but differ in AA sequence, Subunit composition, Electrophoretic mobility, Tissue localization and Substrate affinity

Answer: Isoenzymes

Flashcard 80: Alanine on pyruvate kinase is an example of _____competitive inhibition

Answer: non-