Describe the biosynthesis of acetylcholine. List three different means that would act to alter the release of acetylcholine
What will be an ideal response?
Answer: ACh is formed from choline and acetyl-coA in the presence of choline
acetyltransferase. ACh is released into synapses and has effects at two receptor types: nicotinic and muscarinic. Action potentials release ACh; botulinum toxin prevents ACh release; black widow spider venom stimulates ACh release.
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When opium and heroin are abused, the resulting effects may include ________
a. blackouts, cirrhosis of the liver, mental and neurological impairment, psychosis, and possibly death. b. damage of dopamine cells in the brain. c. loss of appetite, nausea, constipation, withdrawal symptoms, and possibly death. d. heart disease, high blood pressure, impaired circulation, and erectile problems in men.
__________ occurs in the phallic stage when according to Freud the child has a sexual
attraction to his or her opposite-sex parent. Fill in the blanks with correct word