Which of the following is not a function of astrocytes?
A. Formation of scar tissue when neurons are damaged
B. Promotion of neuron growth and synapse formation
C. Conversion of blood glucose to lactate to support neuron nourishment
D. Production of CSF
E. Formation of the blood-brain barrier
Answer: D
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MHC class I molecules on a cell allow it to interact with
A. natural killer cells. B. cytotoxic T-lymphocytes. C. helper T-lymphocytes. D. CD8+ B-lymphocytes.
Perception is our unconscious interpretation of the external world as created by the brain from a pattern of nerve impulses delivered to it from mechanoreceptors
a. True b. False Indicate whether the statement is true or false
the inside of the membrane becomes more negative than the resting potential
A. Depolarization B. Repolarization C. Hyperpolarization
In which type of reaction are water molecules split off as peptide bonds are formed?
Glycolysis Lipolysis Hydrolysis Dehydration synthesis