What structure in a muscle fiber acts as a calcium reservoir or storage site?
a. Sarcoplasmic reticulum
b. Sarcoplasm
c. Myofibrils
d. Transverse tubules
Answer: a. Sarcoplasmic reticulum
You might also like to view...
In humans, the large vessel that drains blood from the head, neck, and upper limbs is called the ________ vena cava; in pigs this vessel is called the ________ vena cava
A) superior; anterior B) superior; inferior C) inferior; posterior D) inferior; superior E) inferior; anterior
Match the structure of the eye with the appropriate description.A. Photoreceptor cells that function in black and white visionB. Photoreceptor cells that function in color visionC. The opening in the irisD. The innermost tunic of the eyeE. A pigmented contractile structureRods
Fill in the blank(s) with the appropriate word(s).
Of the following choices, the pH of the least acidic solution is
A) 6.0. B) 4.5. C) 2.3. D) 1.0. E) 12.0.
Briefly describe what is happening when a person "cracks their knuckles"
What will be an ideal response