Smooth endoplasmic reticulum is similar in structure to:
Correct answer: D. Sarcoplasmic reticulum
- A. RER
- B. Golgi bodies
- C. Microfilaments
- D. Sarcoplasmic reticulum
Explanation
The nerve impulse is carried through the T-tubule to the adjacent sarcoplasmic reticulum (SR). the calcium gates of the ST open releasing calcium into the cytosol, thus binding calcium ions to troponin molecules of the thin filament.
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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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