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Question 23M.1.HL.TZ2.36

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1.HL.TZ2.36
Level HL Paper 1 Time zone TZ2
Command term Question number 36 Adapted from N/A
36.
[Maximum mark: 1]
23M.1.HL.TZ2.36

Where do calcium ions that are released from the sarcoplasmic reticulum bind to stimulate muscle contraction?


A.  Tropomyosin on myosin heads

B.  Tropomyosin on actin filaments

C.  Troponin on myosin heads

D.  Troponin on actin filaments

[1]

Markscheme

D