Question

Which of the following is correct statement for white muscle fibre?

• A. It contains low amount of haemoglobin and mitochondria.
• B. It contains higher amount of myoglobin.
• C. It contains low amount of myoglobin and mitochondria.
• D. It possesses only actin type of protein.

Answer 1

The correct option is C It contains low amount of myoglobin and mitochondria.

• Muscle is a bundle of fibrous tissue in a body that has the ability to contract, producing movement in or maintaining the position of parts of the body.
• The total number of muscles in the human body comes in the range of 640-850.
• Muscles appear in red colour due to a pigment called myoglobin. It receives oxygen from the red blood cells and transports it to the mitochondria of muscle cells, where the oxygen is used in cellular respiration to produce energy.
• Muscle fibres are named as white muscle fibres because It contains a low amount of myoglobin and mitochondria.compared to red muscle fibres.
• So, the correct answer is 'It contains a low amount of myoglobin and mitochondria'.