What is the sarcoplasmic reticulum (SR)? Excitable cell membrane that encloses the muscle fiber Extensive intracellular sac containing calcium ions System of tubules that bring the action potential deep inside the muscle fiber Voltage-sensitive ion channels found in skeletal muscle cells
Added by Juan Carlos W.
Close
Step 1
The sarcoplasmic reticulum is a system of tubules that transport action potentials deep inside the muscle fiber. Show more…
Show all steps
Your feedback will help us improve your experience
Adi S and 77 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
What intracellular protein of smooth muscle cells binds calcium and leads to contraction? phosphagen creatine tropomyosin calmodulin
Madhur L.
Release of calcium ions from a muscle fiber's ____ allows actin and myosin filaments to interact. a. nuclei b. sarcoplasmic reticulum c. mitochondria d. myofibrils
Which of the following is NOT a mechanism to remove calcium from the cytoplasm of smooth muscle cells? Select one: a. a calcium-ATPase in the membrane of the sarcoplasmic reticulum b. calcium-sodium transporter in the sarcolemma c. IP3-gated calcium channels in the sarcoplasmic reticulum d. calcium-ATPase pump in the sarcolemma
Shaiju T.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD