English
Karnataka Board PUCPUC Science Class 11

Write true or false. If false, change the statement so that it is true: Actin is present in thin filament

Advertisements
Advertisements

Question

Write true or false. If false, change the statement so that it is true:

Actin is present in thin filament

Options

  • True

  • False

MCQ
True or False
Advertisements

Solution

This statement is True.

Explanation:

Actin is a primary component of thin filaments in muscle fibres. These thin filaments, along with myosin-thick filaments, play a crucial role in muscle contraction.

shaalaa.com
  Is there an error in this question or solution?
Chapter 17: Locomotion and Movement - EXERCISES [Page 229]

APPEARS IN

NCERT Biology [English] Class 11
Chapter 17 Locomotion and Movement
EXERCISES | Q 4. (a) | Page 229

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Draw the diagram of a sarcomere of skeletal muscle showing different regions.


Define sliding filament theory of muscle contraction.


Write true or false. If false, change the statement so that it is true:

H-zone of striated muscle fibre represents both thick and thin filaments.


Write the differences between Actin and Myosin.


Write the difference between: 

Red and White muscles


How do you distinguish between a skeletal muscle and a cardiac muscle?


Thin filament of myofibril contains 2 ‘F’ actins and two other proteins namely ______ and ______.


Read the following statements.

  1. Bands are dark bands and contain myosin
  2. I bands are light bands and contain actin
  3. During muscle contraction, the A band contracts.
  4. The part between the two Z - lines is called a sarcomere.
  5. The central part of the thin filament, not overlapped by the thick filament is called Hzone.

Of the above statements   


Myoglobin occurs in


In a skeletal muscle, bundles of muscle fibres are held together by ______.


Which of the following statements wrongly represents the nature of smooth muscle?


Match the following and mark the correct option

Column I Column II
A. Fast muscle fibres i. Myoglobin
B. Slow muscle fibres ii. Lactic acid
C. Actin filament iii. Contractile unit
D. Sarcomere iv. I-band

Which one of the following statement is incorrect?


Muscles with characteristic striations and involuntary are ______.


Three types of muscles are given as a, b and c. Identify the correct matching pair along with their location in human body:

Name of muscle/location


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×