Which hormone acts as a potent anti-inflammatory agent?
A) epinephrine B) insulin C) cortisol D) aldosterone
Answer: C
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Most of the cranial nerves originate from the
a. brain stem b. cerebellum c. cerebral cortex d. hypothalamus e. thalamus
Which of the following is not characteristic of the cytoskeleton?
a. the cytoskeleton supports the plasma membrane and is responsible for the particular shape, rigidity, and spatial geometry of each different cell type. b. the cytoskeleton probably plays a role in regulating cell growth and division. c. the cytoskeletal elements are all rigid, permanent structures. d. the cytoskeleton is responsible for cell contraction and cell movements. e. the cytoskeleton supports and organizes the ribosomes, mitochondria, and lysosomes.
If a stimulus to a neuron is great enough, ________ is reached and an action potential is generated
A) resting membrane potential B) threshold C) repolarization D) depolarization
The coding portion of DNA contains genes that constitute about 98% of the DNA.
Indicate whether the statement is true or false