Muscles are only able to pull, they never push
Indicate whether the statement is true or false
TRUE
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Facial muscles are unusual in that they
A. are not involved in movement. B. insert and sometimes originate on skin and connective tissue. C. are not involved in facial expression. D. represent a combination of first-class and second-class lever systems. E. are smooth muscles rather than skeletal muscles.
Astrocytes are NOT involved in ________.
A. formation the blood-brain barrier B. uptake of NT from a synapse C. stimulation or inhibition neurons D. formation of synapses in the CNS E. breakdown and engulfment of foreign material in the CNS
Which of the following endocytotic processes is important for moving fluid into cells?
A) receptor-mediated endocytosis for water B) phagocytosis C) pinocytosis D) receptor-mediated endocytosis for hormones
Explain why enzymes are often called organic catalysts
What will be an ideal response?