Which of the following activities represents an anatomical study?
-making a section through the heart to observe it's interior
-testing the pituitary for hormone function
-studying how the muscles contract
-studying how the nerves conduct electrical impulses
-making a section through the heart to observe it's interior
You might also like to view...
An action potential in a neuronal membrane differs from a graded potential in that
A. movement of Na+ and K+ across cell membranes mediate action potentials, while graded potentials do not involve movement of Na+ and K+. B. an action potential is propagated without decrement, whereas a graded potential decrements with distance. C. an action potential has a threshold, whereas a graded potential is an all-or-none phenomenon. D. action potentials vary in size with the size of a stimulus, while graded potentials do not. E. an action potential requires the opening of Ca2+ channels, whereas a graded potential does not.
Sucrose is a ________.
A) monosaccharide B) disaccharide C) polysaccharide D) triglyceride
Cystic fibrosis is caused by abnormal
a. accumulation of mucus b. levels of insulin c. chloride channels in plasma membranes d. potassium channels in plasma membranes e. sodium-potassium pumps
In a sexually mature individual, pulses of GnRH are secreted once a day
Indicate whether the statement is true or false