A claw-tooth hammer being used to pry up a nail is an example of which class of lever?
A. 1st class
B. 2nd class
C. 3rd class
D. not a lever
A. 1st class
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Along with insulin, amylin is a hormone that a diabetic pancreas fails to produce. It is comprised of a long chain of amino acids. It cannot cross the cell membrane, so it binds to a receptor on the cell surface to elicit an action. Which hormone class is amylin?
A. A protein hormone B. A peptide hormone C. A steroid hormone D. A prostaglandin
Sensory information from skeletal muscles travels over ________ fibers
A) type A B) type B C) type C D) type D E) type E
An atom of oxygen has an atomic number of 8 and a mass number of 18. How many of each type of subatomic particle does it contain?
What will be an ideal response?
An intercalated disc can be described as ______.
a. the boundary between longitudinal and circular smooth muscle layers b. the area of the sarcolemma where the motor neuron is located c. prominent nuclei strands observed in skeletal muscle d. a dark line observed between adjacent cardiac muscle cells