Lipid metabolism — Flashcards

Flashcard 41: What is the function of the peroxisome?

Answer: catabolism of long fatty acids and amino acids

Flashcard 42: Where in the cell does fatty acid synthesis occur? _____

Answer: Cytoplasm

Flashcard 43: Medium chain acyl-CoA dehydrogenase (MCAD) deficiency is characterized by the accumulation of _____ to _____-carbon acyl carnitines in the blood

Answer: 8

Flashcard 44: Which serum lipoprotein is elevated in type I hyperlipoproteinemia? _____

Answer: Chylomicrons

Flashcard 45: All steroid hormones are derivatives of _____

Answer: cholesterol

Flashcard 46: Which type of acyl-CoA dehydrogenase is used to breakdown 8-10 carbon fatty acyl-CoA? _____

Answer: Medium (medium chain acyl-CoA dehydrogenase)

Flashcard 47: Pregnenolone may be converted to _____ via the enzyme 17α-hydroxylase

Answer: 17-hydroxypregnenolone

Extra: * Teleport piper:17-hydroxylase (converts pregnenolone to 17-hydroxypregnenolone)

Flashcard 48: In the cytosol, citrate may be converted to _____ via the enzyme ATP citrate lyase (fatty acid synthesis)

Answer: acetyl-CoA

Flashcard 49: Which lipoprotein mediates reverse cholesterol transport from the periphery to the liver? _____

Answer: HDL

Flashcard 50: Muscle biopsy of a patient with primary carnitine deficiency shows elevated _____

Answer: triglycerides

Extra: Atlas: