QuestionSBA
QuestionChoice
This is describing troponin. It works with other structures in the sarcomere to produce muscle contraction. Troponin-C binds to calcium ions. Troponin-I inhibits actin and myosin action. Troponin T binds to tropomyosin.
10006714
d
A globular protein that can form three types of thin filaments
QuestionChoice
This is describing tropomyosin, which regulates muscle contraction.
10006715
e
A thin filament made of two helical peptide chains within the grooves between actin strands
QuestionChoice
This is describing a type IIa muscle fibre.
10006711
a
Fast-twitch oxidative fibres which can use aerobic and anaerobic energy sources
QuestionChoice
This is describing a type I muscle fibre.
10006712
b
Slow-twitch oxidative fibres which use aerobic energy sources
QuestionChoice
This is describing a type IIb muscle fibre.
10006713
c
Fast-twitch glycolytic fibres which use anaerobic energy sources
Concept
Chapter
2693
4536
Types of Muscle Fibres
Topic
228
Musculoskeletal Physiology
13889
Which of the following best describes a type IIa muscle fibre?
a