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Red muscles are rich in
(a) Only myosin
(b) Hemoglobin and glucose
(c) Lactic acid and acetic acid
(d) Myoglobin and cytochrome

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Answer
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Hint: They are the type of skeletal muscles with a large number of capillaries that give them a red color. It contains the muscle cells along with the organelle that is called the powerhouse of the cell that helps in the production of the energy.

Complete answer
-The red muscles are present in the organisms due to the presence of the myoglobin and the cytochromes that are associated with the articles of the cell cytoplasm and result in slower contraction.
-Myoglobin is a protein that is found in the muscular cells of animals. It provides oxygen to the muscles and acts as an oxygen storage unit.
-Some mammals that have a large amount of myoglobin in their muscles like whales and seals are capable of for a long period of time remaining submerged in the water in comparison to other animals.
-It is also the hemoglobin-containing globular protein found in the large quantity of myocytes cells present in the heart and skeletal muscles.
-It contains a heme prosthetic group which in turn binds to the oxygen reversibly and the body uses this oxygen storage protein in the muscles.
-Depending on the concentration of the oxygen in the cell the muscles are able to bind and release the oxygen.
-Myoglobin includes hemoglobin that belongs to the globin superfamily. Four polypeptide chains and fourth oxygen binding sites are present in the hemoglobin. Myoglobin contains one oxygen binding site and is a single polypeptide chain with, and binds two proteins to oxygen that have different binding kinetics.

So, the correct answer is ‘Myoglobin and cytochrome’.
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Note:
The other type of muscles in comparison to the red muscles are the white muscles. These muscles contain a lower number of myoglobin, cytochromes, and mitochondria. Thus their color appears to be white. They are generally found in the eyeball region of the eye. Their rate of contraction is faster.