Home
Class 12
BIOLOGY
Read the statement regarding myofibril a...

Read the statement regarding myofibril and choose the correct option
1. Each myofibril has alternate dark and light bands.
2. In the centre of each 'A' band is an elastic fibre called 'Z' -line 3. 'A' and 'I' bands are arranged alternately throughout the length of myofibril
4. Sarcomere is the functional unit of contraction
5. Central part of thick filament not overlapped by a thin filament is the 'M' line

A

1,3 and 5 alone are correct

B

2 and 5 alone are correct

C

2 and 3 alone are correct

D

1,3 and 2 alone are correct.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • LOCOMOTION AND MOVEMENT

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|10 Videos

  • LOCOMOTION AND MOVEMENT

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|10 Videos

  • LEAF

    DINESH PUBLICATION|Exercise CYG|10 Videos

  • MAMMALIA [MAMMA - BREAST]

    DINESH PUBLICATION|Exercise Brain Teasers - I|101 Videos

Similar Questions

Explore conceptually related problems

Each myofibril has a diameter of

Myofibrils are

In the center of I-Band, is an elastic fiber, which bisect it

What are myofibrils?

Myofibrils show dark and light bands is

The light band of a myofibril is

Dark band are

Sarcomere is the functional unit of contraction in a muscle fibre. Indentify the portion of myofibril that constitutes a sarcomere

Assertion : Contraction of a muscle fibre takes place by the sliding of the thin filaments over the thick filaments. Reason : The central part of thick filament is not overlapped by thin filaments in a resting state.