LESSON 23, 24 & 25

Beschreibung

Lipolysis and oxidation of fatty acids. Ketone bodies. test
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Zusammenfassung der Ressource

Frage 1

Frage
ATP is produced during lipolysis
Antworten
  • True
  • False

Frage 2

Frage
Which of these enzymes is regulated in the lipolysis of the TAG of adipose tissue?
Antworten
  • ATGL (Adipose triglyceride tissue)
  • HS lipase (Hormone sensitive lipase)
  • MAG (Monoacylglyceride)
  • Adenylate cyclate
  • Lipoprotein lipase

Frage 3

Frage
Only in a fasting state HS lipase is phosphorylated by PKA
Antworten
  • True
  • False

Frage 4

Frage
In mitochondrial ß-oxidation we obtain energy in the form of ATP, NADH, FADH2 and if it is a complete oxidation we obtain CO2
Antworten
  • True
  • False

Frage 5

Frage
Which of these statements is not true?
Antworten
  • In the reaction between one fatty acid and one molecule of CoA 2 ATP are required
  • AcylCoA must be transformed into acyl-carnitine to be transferred to cytosol thanks to one enzyme called CPT1
  • In the third part of mitochondrial ß-oxidation AcylCoA loses 2C atoms each step
  • One FADH2 is generated when a double bond is created between the Carbon-α and Carbon-ß of the AcylCoA
  • More energy is produced with a fatty acid of 6C atoms than glucose

Frage 6

Frage
How many NADH and ATP do we finally get in general terms if we have an AcylCoA with 18C atoms?
Antworten
  • 35 NADH and 146 ATP
  • 51 NADH and 146 ATP
  • 35 NADH and 148 ATP
  • 51 NADH and 148 ATP
  • Any of these

Frage 7

Frage
Which is the inhibitor of ß-oxidation?
Antworten
  • Glucose
  • Carnitine
  • MalonylCoA
  • AcylCoA
  • AcetylCoA

Frage 8

Frage
What is synthesized when the CAC gets empty?
Antworten
  • Acetoacetone
  • Oxaloacetate
  • Lactate
  • Pyruvate
  • Glycerol

Frage 9

Frage
Which of these tissues can not use ketone bodies?
Antworten
  • Brain
  • Muscle
  • Bone
  • Kidneys
  • Liver

Frage 10

Frage
How many molecules of acetylCoA we need to form one ketone body?
Antworten
  • 1
  • 2
  • 3
  • 4
  • 5
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