The area of the sarcomere that is the light region between two successive A-bands is the
A) Z line.
B) M line.
C) I band.
D) myofibril.
E) H band.
C) I band.
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Which of the following is CORRECTLY matched with its function?
A. peripheral proteins - penetrate the lipid bilayer from one surface to the other B. nongated ion channels - are always closed C. receptor proteins - attach to ligand molecules D. channel proteins - are part of an intercellular communication system E. marker molecules - are primarily steroids
Long reflexes of digestion involve activity of the central nervous system.
Answer the following statement true (T) or false (F)
Which gland does NOT produce reproductive hormones?
A. ovaries B. testes C. placenta D. thyroid E. pituitary gland
A bipolar neuron has which of the following?
A. Two axons arising from the soma B. One axon and one dendrite arising from the soma C. Two axons and multiple dendrites arising from the soma D. Two dendrites arising from the soma E. Two somas