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Hint: The cytoplasm of striated muscle cells is made up of sarcolemma. It is the structural and functional unit of a muscle.
Complete answer: Sarcolemma is the cover or cell membrane that is present around the striated muscle fibres.
The plasma membrane of muscle fibres is known as the sarcolemma and the cytoplasm is known as sarcoplasm.
It is made up of large amounts of glycosomes, that are granules of stored glycogen, and significant amounts of myoglobin, an oxygen-binding protein that is present on muscles.
The concentration of calcium ion in sarcoplasm plays a key role in the contraction of muscle fibers. It comprises myofibrils, which are composed of sarcomeres.
It has a Golgi apparatus that is present near the nucleus, mitochondria are present just inside the cell membrane – sarcolemma, and a smooth endoplasmic reticulum which is specialized for muscle function and this endoplasmic reticulum of muscles are called the sarcoplasmic reticulum.
So, the correct answer is option D. Sarcoplasm.
Note: Neuroplasm can be referred to as the cytoplasm of a nerve cell.
Protoplasm can be referred to as the living part of a cell that is surrounded by a plasma membrane of a cell. Germplasm is the genetic material of germ cells.
Complete answer: Sarcolemma is the cover or cell membrane that is present around the striated muscle fibres.
The plasma membrane of muscle fibres is known as the sarcolemma and the cytoplasm is known as sarcoplasm.
It is made up of large amounts of glycosomes, that are granules of stored glycogen, and significant amounts of myoglobin, an oxygen-binding protein that is present on muscles.
The concentration of calcium ion in sarcoplasm plays a key role in the contraction of muscle fibers. It comprises myofibrils, which are composed of sarcomeres.
It has a Golgi apparatus that is present near the nucleus, mitochondria are present just inside the cell membrane – sarcolemma, and a smooth endoplasmic reticulum which is specialized for muscle function and this endoplasmic reticulum of muscles are called the sarcoplasmic reticulum.
So, the correct answer is option D. Sarcoplasm.
Note: Neuroplasm can be referred to as the cytoplasm of a nerve cell.
Protoplasm can be referred to as the living part of a cell that is surrounded by a plasma membrane of a cell. Germplasm is the genetic material of germ cells.
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