Activation of the parasympathetic nervous system triggers renin release from the JG apparatus of the kidneys
Indicate whether this statement is true or false.
FALSE
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What is the basic difference between simple diffusion and facilitated diffusion across a cell membrane?
A) In simple diffusion, molecules move down the concentration gradient but in facilitated diffusion molecules move up the concentration gradient. B) In facilitated diffusion, molecules only move with the aid of a protein in the membrane. C) Simple diffusion requires molecules to move through special doorways in the cell membrane. D) Simple diffusion is passive but facilitated diffusion is an active process that uses energy.
The axons from this area form the major pyramidal (corticospinal) tracts.
A) Prefrontal area B) Thalamus C) Primary motor cortex D) Hypothalamus
Another name for the nasal septum is the turbinate
Indicate whether this statement is true or false.
Cross-bridges are portions of
A) myosin molecules B) tropomyosin molecules C) actin molecules D) calcium ions E) troponin molecules