Podcast
Questions and Answers
What is the function of the sarcoplasmic reticulum in muscle cells?
What is the function of the sarcoplasmic reticulum in muscle cells?
- Produce ATP
- Oxygenate the sarcoplasm
- Sequester and release calcium ions (correct)
- Synthesize myoglobin
What is the structure that bisects the I bands in a sarcomere?
What is the structure that bisects the I bands in a sarcomere?
- A bands
- M lines
- H bands
- Z lines (correct)
Which type of muscle cells are branched and striated?
Which type of muscle cells are branched and striated?
- Smooth muscle cells
- Myofibril cells
- Skeletal muscle cells
- Cardiac muscle cells (correct)
What is the function of T-tubules in muscle cells?
What is the function of T-tubules in muscle cells?
What gives rise to myoblasts in the process of muscle development?
What gives rise to myoblasts in the process of muscle development?
From which Greek word does the term 'Sarco-' in muscle terminology originate?
From which Greek word does the term 'Sarco-' in muscle terminology originate?
What is the main difference between smooth muscle cells and skeletal muscle cells?
What is the main difference between smooth muscle cells and skeletal muscle cells?
Why is it incorrect to use 'striated muscle' interchangeably with 'skeletal muscle'?
Why is it incorrect to use 'striated muscle' interchangeably with 'skeletal muscle'?
Which type of muscle has plump, central nuclei?
Which type of muscle has plump, central nuclei?
What distinguishes the blood supply of cardiac muscles from skeletal muscles?
What distinguishes the blood supply of cardiac muscles from skeletal muscles?