Biochemical Basis of Sports Performance Quiz | Biochemical Basis of Sports Performance Multiple Choice Questions(MCQs) & Answers
Questions
1
What type of covalent bonds link the amino acids in a protein?
Answer: peptide bonds
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3
Type I muscle fibres have the following characteristics:
Answer: red, oxidative, slow contracting
4
Fast-twitch fibres contain:
Answer: a relatively small number of mitochondria and high ATPase activity
6
After calcium ions have been released from the sarcoplasmic reticulum they:
Answer: bind to troponin
7
The trigger to initiate the contractile process in skeletal muscle is:
Answer: calcium binding to troponin
8
An action potential arriving at the motor endplate causes release of:
Answer: acetylcholine which traverses the neuromuscular junction
9
The sarcoplasmic reticulum in muscle cells acts as a:
Answer: store of calcium ions
10
The two principal contractile proteins found in skeletal muscle are:
Answer: actin and myosin
11
Which of the following factors does not influence success in sport?
Answer: ingestion of carnitine during exercise
12
Endurance training increases the muscle’s capacity to:
Answer: burn fat and carbohydrate
13
Women’s world record performances have improved rapidly in recent years mainly because:
Answer: more women are now engaged in sport
14
In sprint events, improvements in performance may come from:
Answer: all of the above
15
Metabolism is determined by the:
Answer: proteins formed as dictated by the genetic material
16
Which of the following is an amino acid that is found in proteins?
Answer: alanine
17
Which of the following factors can affect enzyme activity?
Answer: all of the above
18
Prosthetic groups are:
Answer: tightly bound to enzymes and are required for their activity
19
The initial rate of an enzyme catalysed reaction depends on:
Answer: all of the above
20
Kinase reactions:
Answer: involve the addition or removal of a phosphate group
