Question

Choose the option having all the correct statements:
I. Thin and thick filaments consist of myosin and actin, respectively.
II. The H-zone and I-band consists of only myosin and actin, respectively.
III. A-band contains both actin and myosin.
IV. M-line and Z-line are in the middle of thin and thick filaments, respectively.

• A. Only II and III
• B. Only I and IV
• C. Only I and II
• D. Only III and IV

Answer 1

The correct option is A Only II and III

The correct statements for this question are given below:

• Thick and thin filaments consist of myosin and actin, respectively.
• The H-zone and I-band consists of only myosin and actin, respectively.
• A-band contains both actin and myosin.
• M-line and Z-line are in the middle of thick and thin filaments, respectively.