Which of the following is/are false? A. Anandamide is a typical neurotransmitter that is synthesized and...
Which of the following is/are false?
A. Anandamide is a typical neurotransmitter that is synthesized and packed in vesicles in the presynaptic terminal
B. the typical effect of activation of cannabinoid receptors is an increase in cell excitability
C. there is only one cannabinoid receptor
D. all of these
E. none of these
Homework Answers
Anandamide is an endocannabinoid neurotransmitter binds to cannabinoid receptor and increase the cells excitability. Currently there are two cannabinoid receptors are identified CB1 and CB2.
statement C is false.
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Which of the following is/are false?
A. Anandamide is a typical neurotransmitter that is synthesized
and...
Complete each sentence to assess your knowledge of neurotransmitter storage and release at a typical neuronal...
Complete each sentence to assess your knowledge of
neurotransmitter storage and release at a typical neuronal
synapse.
Thank you!!!
Complete each sentence to assess your knowledge of neurotransmitter storage and release at a typical neuronal synapse, SNARE As action potentials propagate along a myelinated fiber, they jump from one node of Ranvier to the next and for this reason such propagation is called reuptake presynaptic Eventually, the action potential reaches the terminal of the neuron postsynaptic Depolarization in the terminat...
1. Termination of neurotransmitter action can be accomplished by which of the following: a. Enzymatic breakdown...
1. Termination of neurotransmitter action can be accomplished by which of the following: a. Enzymatic breakdown in the synaptic cleft or presynaptic terminal b. Transport back into the presynaptic cell c. Transport into nearby glial cells d. Both a and b, but not c e. All of the above 2. Activating a metabotropic receptor (G-protein coupled receptor) can lead to: a. Opening of a G protein-gated ion channel b. Changes in the levels of a protein kinase c. Changes in...
1. What determines how much neurotransmitter is released into the synaptic cleft? A. The size of...
1. What determines how much neurotransmitter is released into the synaptic cleft? A. The size of the end-plate potentials in the postsynaptic cell B. The rate of neurotransmitter degradation in the synaptic cleft C. Action potential frequency in the presynaptic neuron D. The diameter of synaptic vesicles in the presynaptic neuron 2. Which of the following ions is necessary for exocytosis of synaptic vesicles? A.Calcium ions B.Potassium ions C.Magnesium ions D.Sodium ions
Which of the following does NOT correctly reflect the criteria for a molecule to be consider...
Which of the following does NOT correctly reflect the criteria for a molecule to be consider a neurotransmitter? The molecule must be synthesized and stored in the presynaptic neuron. O The molecule must be released by the postsynaptic terminal upon stimulation. The molecule, when experimentally applied, must produce a response in the postsynaptic cell that d. mimics the response produced by the presynaptic neuron. Band C O A and B
Which step of peptide neurotransmitter processing takes place in the presynaptic terminal? a. Synthesis b. Packaging...
Which step of peptide neurotransmitter processing takes place in the presynaptic terminal? a. Synthesis b. Packaging c. Transport d. Release e. Degradation
Which of the following statements correctly characterizes synapses? Synaptic vesicles constitute important features for transmission in...
Which of the following statements correctly characterizes synapses? Synaptic vesicles constitute important features for transmission in both chemical and electrical synapses A postsynaptic neuron typically receives input from different presynaptic axons that are either excitatory or inhibitory, but it cannot receive inputs from both types Synaptic delay is approximately the same for both chemical and electrical synapses Receptors can provide a gating function with respect to a given ion channel The mechanism of indirect gating of ions normally does not...
Please answer all three questions. Please make sure your answers are correct! Thanks! All information needed...
Please answer all three questions. Please make sure your
answers are correct! Thanks! All information needed to answer the
question is with in the text.
7) Refer to the images of the synaptic terminals at two different temperatures to answer the question. following 19°C 25°C na You are told this fly is a temperature-sensitive dynamin mutant that causes the dynamin protein to unfold at warm temperatures (250C). Which one of the following does NOT happen when the flies are warmed?...
Which of the following is TRUE regarding the signal transduction of smell? (only one response is...
Which of the following is TRUE regarding the signal transduction of smell? (only one response is correct) A. Each glomerulus receives input from a population of olfactory receptor cells responding to a specific odorant molecule B. Chloride moves into the olfactory receptor cell due to its large extracellular concentration C. Odorant molecules binding to Gs receptors leads to activation of adenylyl cyclase -> cAMP -> Ca++ influx D. Unlike other senses, there is no mapping of odors in the nervous...
Which one of the following statements is false? a. Many growth factor receptors are tyrosine kinases....
Which one of the following statements is false? a. Many growth factor receptors are tyrosine kinases. b. SH2 is an example of a protein domain that has high affinity binding for phosphorylated EGFR. c. Raf initiates a serine/threonine kinase cascade. d. Raf is activated by the kinase activity of RAS. Which one of the following statements is true? a. Retroviruses are a major cause of human cancers. b. Proto-oncogenes are altered forms of normal genes. c. Oncogenic activation of receptor...
for each, what is the right answer? B) iris 19. The Nernst Equation predicts that the...
for each, what is the right answer?
B) iris 19. The Nernst Equation predicts that the equilibrium potential for an ion is proportional to where "in" means "inside the cell" and "out" means "outside the cell" (pick the answer that most closely matches the Nemst equation). A) log ([ion in x [ionout) B) bg ([on]out [onlin) C) log (ionin) D) bg (ion)in Vlog ([ion)out) E) log (ion)in) x log (ionout) 20. The eustachian tube connects the and the A) middle...
Complete each sentence to assess your knowledge of
neurotransmitter storage and release at a typical neuronal
synapse.
Thank you!!!
Complete each sentence to assess your knowledge of neurotransmitter storage and release at a typical neuronal synapse, SNARE As action potentials propagate along a myelinated fiber, they jump from one node of Ranvier to the next and for this reason such propagation is called reuptake presynaptic Eventually, the action potential reaches the terminal of the neuron postsynaptic Depolarization in the terminat...
Which of the following does NOT correctly reflect the criteria for a molecule to be consider a neurotransmitter? The molecule must be synthesized and stored in the presynaptic neuron. O The molecule must be released by the postsynaptic terminal upon stimulation. The molecule, when experimentally applied, must produce a response in the postsynaptic cell that d. mimics the response produced by the presynaptic neuron. Band C O A and B
Please answer all three questions. Please make sure your
answers are correct! Thanks! All information needed to answer the
question is with in the text.
7) Refer to the images of the synaptic terminals at two different temperatures to answer the question. following 19°C 25°C na You are told this fly is a temperature-sensitive dynamin mutant that causes the dynamin protein to unfold at warm temperatures (250C). Which one of the following does NOT happen when the flies are warmed?...
for each, what is the right answer?
B) iris 19. The Nernst Equation predicts that the equilibrium potential for an ion is proportional to where "in" means "inside the cell" and "out" means "outside the cell" (pick the answer that most closely matches the Nemst equation). A) log ([ion in x [ionout) B) bg ([on]out [onlin) C) log (ionin) D) bg (ion)in Vlog ([ion)out) E) log (ion)in) x log (ionout) 20. The eustachian tube connects the and the A) middle...
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