Class 8 Exam > Class 8 Questions > Q.10. Light and dark bands can be seen in:a)c...
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Q.10. Light and dark bands can be seen in:
- a)cardiac muscle
- b)striated muscles
- c)smooth muscles
- d)unstriated muscles
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Q.10. Light and dark bands can be seen in:a)cardiac muscleb)striated m...
Explanation:
Striated muscles refer to the muscles that have a striped appearance under a microscope. These muscles are composed of repeating units called sarcomeres, which give rise to the characteristic light and dark bands.
Light and dark bands can be seen in striated muscles due to the arrangement of two types of protein filaments within the sarcomeres: actin and myosin.
Actin filaments are thin filaments that are attached to specialized structures called Z-lines. They appear lighter under a microscope.
Myosin filaments are thick filaments that are located between the actin filaments. They appear darker under a microscope.
Key Points:
- Light and dark bands are seen in striated muscles.
- Striated muscles have a striped appearance under a microscope.
- These muscles are composed of repeating units called sarcomeres.
- Sarcomeres contain actin and myosin filaments.
- Actin filaments are thin and attached to Z-lines, appearing lighter.
- Myosin filaments are thick and located between actin filaments, appearing darker.
Conclusion:
In conclusion, light and dark bands can be seen in striated muscles. These bands are a result of the arrangement of actin and myosin filaments within the sarcomeres of the muscle fibers. The light bands correspond to actin filaments, while the dark bands correspond to myosin filaments. This characteristic striped appearance is unique to striated muscles and can be observed under a microscope.
Striated muscles refer to the muscles that have a striped appearance under a microscope. These muscles are composed of repeating units called sarcomeres, which give rise to the characteristic light and dark bands.
Light and dark bands can be seen in striated muscles due to the arrangement of two types of protein filaments within the sarcomeres: actin and myosin.
Actin filaments are thin filaments that are attached to specialized structures called Z-lines. They appear lighter under a microscope.
Myosin filaments are thick filaments that are located between the actin filaments. They appear darker under a microscope.
Key Points:
- Light and dark bands are seen in striated muscles.
- Striated muscles have a striped appearance under a microscope.
- These muscles are composed of repeating units called sarcomeres.
- Sarcomeres contain actin and myosin filaments.
- Actin filaments are thin and attached to Z-lines, appearing lighter.
- Myosin filaments are thick and located between actin filaments, appearing darker.
Conclusion:
In conclusion, light and dark bands can be seen in striated muscles. These bands are a result of the arrangement of actin and myosin filaments within the sarcomeres of the muscle fibers. The light bands correspond to actin filaments, while the dark bands correspond to myosin filaments. This characteristic striped appearance is unique to striated muscles and can be observed under a microscope.
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Q.10. Light and dark bands can be seen in:a)cardiac muscleb)striated musclesc)smooth musclesd)unstriated musclesCorrect answer is option 'B'. Can you explain this answer?
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Q.10. Light and dark bands can be seen in:a)cardiac muscleb)striated musclesc)smooth musclesd)unstriated musclesCorrect answer is option 'B'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Q.10. Light and dark bands can be seen in:a)cardiac muscleb)striated musclesc)smooth musclesd)unstriated musclesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Q.10. Light and dark bands can be seen in:a)cardiac muscleb)striated musclesc)smooth musclesd)unstriated musclesCorrect answer is option 'B'. Can you explain this answer?.
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