sarcoplasmic reticulum is like:
Correct answer: B. Smooth endoplasmic reticulum
- A. Golgi bodies
- B. Smooth endoplasmic reticulum
- C. Cytoskeletal fibers
- D. Ribosomes
Explanation
Sarcoplasmic retreulum is the modified form of smooth endoplasmic reticulum as they devoid of ribosomes are found in muscles. It regulates Ca2+ ions concentration in sacroplasm.
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About Support and Movement
Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.
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