January Exam Quiz

Beschreibung

. Skeletal Muscle Physiology, Metabolism and Nutrition (Revision) Quiz am January Exam Quiz, erstellt von V B am 20/12/2015.
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Quiz von V B, aktualisiert more than 1 year ago
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Zusammenfassung der Ressource

Frage 1

Frage
The joining of multiple monosaccharides to form a disaccharide or polysaccharide is made possible by the formation of what type of bond?
Antworten
  • Peptide bond
  • Glycoside bond
  • Covalent bond
  • Hydrogen bond
  • A and B

Frage 2

Frage
Which of the following allosteric effectors does NOT positively regulate glycogen phosphorylase?
Antworten
  • CA3+
  • ADP
  • AMP
  • Pi
  • ATP

Frage 3

Frage
Lipolysis in adipose tissue and skeletal muscle is regulated by three enzymes. What are they?
Antworten
  • HSL, CPT-1, MGL
  • FAT/CD36, MGL, ATGL
  • ATGL, HSL, B-HAD
  • MGL, HSL, ATGL
  • HSL, ATGL, CPT-1

Frage 4

Frage
The conversion of pyruvate to acetyl-CoA is dependent on which enzyme?
Antworten
  • CK
  • PFK
  • HK
  • PC
  • PDH

Frage 5

Frage
In order for fatty acids to be oxidised they must first enter the mitochondria in skeletal muscle. What is the key enzyme regulating entry of long chain fatty acids into mitochondria?
Antworten
  • ATGL
  • HSL
  • AMPK
  • CPT-1
  • B-HAD

Frage 6

Frage
During the first weeks of a resistance-training intervention in which the weekly workload is increased there is an increase in muscle protein synthesis. Which proteins are synthesised more rapidly?
Antworten
  • Slow isomers of myosin heavy chain
  • Enzymes of B-oxidation
  • All muscle proteins
  • Enzymes of TCA-cycle
  • Myofibrillar proteins

Frage 7

Frage
Hormone-sensitive lipase (HSL) activity in skeletal muscle is increased during moderate-intensity exercise in response to which regulatory factor(s)?
Antworten
  • Adrenaline & AMPK
  • Adrenaline & muscle contraction (Ca2+)
  • AMPK & insulin
  • Muscle contraction (Ca2+) & insulin
  • Adrenaline only

Frage 8

Frage
The rate of beta-oxidation is reduced in the mitochondria by which two regulatory factors?
Antworten
  • Increased carnitine, increased free CoA
  • Increased acetyl-CoA, increased NADH
  • Decreased carnitine, decreased free CoA
  • Decreased acetyl-CoA, decreased NADH
  • Increased carnitine, decreased NADH

Frage 9

Frage
During the first weeks of an endurance-training intervention in a previously sedentary individual there is an increase in muscle protein degradation. Which proteins are broken down more rapidly?
Antworten
  • Myofibrillar proteins
  • Fast isomers of myosin heavy chain
  • Slow isomers of myosin heavy chain
  • Enzymes of beta-oxidation
  • All muscle proteins
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