Which regions of the sarcomere shorten during skeletal muscle contraction?
1.The A-band
2.The H-zone
3.The Z-line
4.The thin filament
5.The thick filament
2
You might also like to view...
Anatomic dead space greatly affects the efficiency of pulmonary ventilation
a. True b. False Indicate whether the statement is true or false
Which is not correct regarding the innervation of the kidney?
A. Sympathetic stimulation causes vasoconstriction of the renal blood vessels. B. Parasympathetic stimulation decreases the rate of filtrate formation. C. The kidney is served by the renal plexus. D. Sympathetic innervation is from segments T10-T12 of the spinal cord. E. Parasympathetic innervation is from the vagus nerve.
Type A and Type B cells of kidney tubules are types of principal cells.
Answer the following statement true (T) or false (F)
What do all hormones have in common?
A. They are made from amino acids. B. They are all lipid-soluble. C. They use the second messenger mechanism to control the target cell. D. They bind to and interact with a receptor on or in the target cell. E. They are bound to transport molecules in the blood.