Ka, the association constant, is a measure of which of the following?
A. The concentration of unbound ligand
B. The concentration of unbound receptor
C. The affinity of receptor for ligand
D. The size of the receptor relative to the ligand
E. The number of ligands for each receptor
C
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Which structure forms the innermost layer of meninges and is directly attached to the brain and the spinal cord??
A) pia mater B) cerebral cortex C) dura mater D) arachnoid membrane
The flap of tissue that prevents food from entering the trachea is the ________.
Fill in the blank(s) with the appropriate word(s).
____________________ is the rapid, irregular, and useless contractions of the ventricles
Fill in the blank(s) with correct word
Exercise appears to affect blood cholesterol levels by
a. evening the HDL to LDL ratio. b. increasing the HDL to LDL ratio. c. decreasing the HDL to LDL ratio. d. raising both HDL and LDL levels.