Which statement about synapse is TRUE? a. neurotransmitters are released by the presynaptic cell and absorbed...
Which statement about synapse is TRUE?
a. neurotransmitters are released by the presynaptic cell and absorbed by the postsynaptic cell
b. all of these.
c. In a synapse, electrical signal is converted to chemical signal then convert back to electrical signal
d.the presynaptic cell and postsynaptic cell are connected by tight junctions.
Homework Answers
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Which statement about synapse is TRUE?
a. neurotransmitters are released by the presynaptic cell and
absorbed...
Which of the following statements is true? Acetylcholine will enter the synapse and bind to the........
Which of the following statements is true? Acetylcholine will enter the synapse and bind to the..... a. soma b. synaptic vesicle c. presynaptic membrane d. postsynaptic membrane
1) The transfer of heat from arterial to venous blood is seen in dolphins. This type...
1) The transfer of heat from arterial to venous blood is seen in dolphins. This type of thermoregulation is called A) thermogenesis. B) evaporation. C) vasoconstriction. D) vasodilation. E) countercurrent exchange. 2) Neural transmission across a mammalian synaptic gap is accomplished by A) the movement of sodium and potassium ions from the presynaptic neuron into the postsynaptic neuron. B) impulses travelling as electrical currents across the gap. C) impulses causing the release of a chemical signal and its diffusion across...
5. Which of the following is not true regarding neuronal circuits? a. in a diverging circuit,...
5. Which of the following is not true regarding neuronal circuits? a. in a diverging circuit, the nerve impulse form a single presynaptic neuron b. in convergence, several presynatic neurons synapse with a single c. in oscillatory circuits the incoming impulse stimulate the 1"t neuron which d. in parallel after-discharge circuit, a group of presynaptic cells stimulates a causes the stimulation of increasing numbers of cells along the circuit postsynaptic neuron stimulated the 2nd, etc; branches from later neurons synapse...
Target cells Capillary near secreting cell terminal Presynaptic neuron Postsynaptic cell Larger blood vessels More Synaptic...
Target cells Capillary near secreting cell terminal Presynaptic neuron Postsynaptic cell Larger blood vessels More Synaptic vesicles Synaptic deft Capillary near target cell Receptor molecules Target cells Capillary near secreting cell Receptor molecules Larger blood vessels Capillary near target cell 21. Which diagram(s) represent(s) the process of chemical signaling from the initial signal in the hypothalamus to the release of adrenocorticotropic hormone? a. I b. II and III c. II and IV d. I and II
no explaination is needed, I will give a thump for sure 31. Which of the following...
no explaination is needed, I will give a thump for sure
31. Which of the following are obligate intracellular pathogens a) Antibiotics b) Viruses c) Probiotics d) Thermophilic bacteria 29. When an electrical impulse arrives at a chemical synapse, neurotransmitters are released. These act by a) opening ion channels in the postsynaptic membrane. b) opening ion channels in the presynaptic membrane. c) increasing the ion concentration in the synaptic cleft. d) physically connecting pre- and postsynaptic membranes. 2. Which of...
7. Which of the following is conteet? A Synapse Axon-Dendrite-Terminal-Synapse B. Synapse-Dendrite-Axon-Terminal-Synapse C. Synapse-Terminal- Axon-Dendrite-Synapse D....
7. Which of the following is conteet? A Synapse Axon-Dendrite-Terminal-Synapse B. Synapse-Dendrite-Axon-Terminal-Synapse C. Synapse-Terminal- Axon-Dendrite-Synapse D. Axon-Synapse-Dendrite Terminal- Axon 8. All experience, thoughts and feelings are electrical activity in some part of the brain True Faise 9. Sentory crossing, such as seeing a sound is called A Synergism B. Synesthesia C. Tolerance D. Tolergism effects 10. Effects of a drug that are not based on its chemical activity alone ure A. Specific B. Combined C. Targeted Nonspecific 11. The point...
8- Which of the following can be activated by an inhibitory neurotransmiter on the postsynagtie a....
8- Which of the following can be activated by an inhibitory neurotransmiter on the postsynagtie a. Ligand-gated Na·Channels. b. Voltage-gated Na channels c. Voltage-gated K' channels d. Voltage-gated CaChannels Ligand-gated CT channels. 9- Saltatory conduction occurs when a. Sodium ions levels are highest b. Gated-sodium channels open c. The resting potential fails to be reset d. There is no synapse and the axon is continuous with the next dendrite e. The action potential jumps from node to node on a...
Question (1 point) 1st attempt Which statement is true about cell-surface receptors? Choose one: O All...
Question (1 point) 1st attempt Which statement is true about cell-surface receptors? Choose one: O All extracellular signal molecules bind to a single type of receptor. O All cell-surface receptors bind to a single, unique extracellular signal molecule. O Each cell-surface receptor can bind to an endless variety of extracellular signal molecules. Some cell-surface receptors can bind to multiple signal molecules. O All drugs block the activation of ion-channel-coupled receptors. 11 OF 15 QUESTIONS COMPLETED 07/15 >
which of the following describes a major function of the extracellular matrix? a. act as a...
which of the following describes a major function of the extracellular matrix? a. act as a signal reservoir for small signaling molecules b. provide biomechanical force c. all of the answers describe the function of extracellular matrix d. anchor cells to a basement membrane or other cells e. control cell migration you have identified a new cell type that forms sheets within the gut tissue.you are trying to determine the extent of communication between the cell you inject singles cell...
a) Which statement is true for an electrolytic cell? O a. It produces electrical current from...
a) Which statement is true for an electrolytic cell? O a. It produces electrical current from electricity. O b. It consumes electrical current to drive a spontaneous chemical reaction. O c. It produces electrical current from a spontaneous chemical reaction. Od. It consumes electrical current to drive a nonspontaneous chemical reaction. b) Balance the following redox reaction in acidic solution. What are the coefficients in front of Al(s) and H2O in the balanced reaction? MnO 4 (aq) + Al(s) +...
5. Which of the following is not true regarding neuronal circuits? a. in a diverging circuit, the nerve impulse form a single presynaptic neuron b. in convergence, several presynatic neurons synapse with a single c. in oscillatory circuits the incoming impulse stimulate the 1"t neuron which d. in parallel after-discharge circuit, a group of presynaptic cells stimulates a causes the stimulation of increasing numbers of cells along the circuit postsynaptic neuron stimulated the 2nd, etc; branches from later neurons synapse...
Target cells Capillary near secreting cell terminal Presynaptic neuron Postsynaptic cell Larger blood vessels More Synaptic vesicles Synaptic deft Capillary near target cell Receptor molecules Target cells Capillary near secreting cell Receptor molecules Larger blood vessels Capillary near target cell 21. Which diagram(s) represent(s) the process of chemical signaling from the initial signal in the hypothalamus to the release of adrenocorticotropic hormone? a. I b. II and III c. II and IV d. I and II
no explaination is needed, I will give a thump for sure
31. Which of the following are obligate intracellular pathogens a) Antibiotics b) Viruses c) Probiotics d) Thermophilic bacteria 29. When an electrical impulse arrives at a chemical synapse, neurotransmitters are released. These act by a) opening ion channels in the postsynaptic membrane. b) opening ion channels in the presynaptic membrane. c) increasing the ion concentration in the synaptic cleft. d) physically connecting pre- and postsynaptic membranes. 2. Which of...
7. Which of the following is conteet? A Synapse Axon-Dendrite-Terminal-Synapse B. Synapse-Dendrite-Axon-Terminal-Synapse C. Synapse-Terminal- Axon-Dendrite-Synapse D. Axon-Synapse-Dendrite Terminal- Axon 8. All experience, thoughts and feelings are electrical activity in some part of the brain True Faise 9. Sentory crossing, such as seeing a sound is called A Synergism B. Synesthesia C. Tolerance D. Tolergism effects 10. Effects of a drug that are not based on its chemical activity alone ure A. Specific B. Combined C. Targeted Nonspecific 11. The point...
8- Which of the following can be activated by an inhibitory neurotransmiter on the postsynagtie a. Ligand-gated Na·Channels. b. Voltage-gated Na channels c. Voltage-gated K' channels d. Voltage-gated CaChannels Ligand-gated CT channels. 9- Saltatory conduction occurs when a. Sodium ions levels are highest b. Gated-sodium channels open c. The resting potential fails to be reset d. There is no synapse and the axon is continuous with the next dendrite e. The action potential jumps from node to node on a...
Question (1 point) 1st attempt Which statement is true about cell-surface receptors? Choose one: O All extracellular signal molecules bind to a single type of receptor. O All cell-surface receptors bind to a single, unique extracellular signal molecule. O Each cell-surface receptor can bind to an endless variety of extracellular signal molecules. Some cell-surface receptors can bind to multiple signal molecules. O All drugs block the activation of ion-channel-coupled receptors. 11 OF 15 QUESTIONS COMPLETED 07/15 >
a) Which statement is true for an electrolytic cell? O a. It produces electrical current from electricity. O b. It consumes electrical current to drive a spontaneous chemical reaction. O c. It produces electrical current from a spontaneous chemical reaction. Od. It consumes electrical current to drive a nonspontaneous chemical reaction. b) Balance the following redox reaction in acidic solution. What are the coefficients in front of Al(s) and H2O in the balanced reaction? MnO 4 (aq) + Al(s) +...
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