Homework Answers
Answer: C) Paracrine signalling- communication with nearby surrounding cell
Note:
Gap junctions: direct contact: cell / cell recognition,
Paracrine signalling: local only, example: growth
factors
Synaptic signalling: neurons only, neurotransmitters
Endocrine signalling: long distances, example:
hormones
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7) Which of the following signaling mechanisms represent a correctly matched pair? (A) endocrine- neural communication...
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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...
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Odd #'s Only Question Help MULTIPLE CHOICE & Which hormone is produced in the hypothal a....
Odd #'s Only Question Help
MULTIPLE CHOICE & Which hormone is produced in the hypothal a. Adrenocorticotropic hormone b. Anti-diuretic hormone c. Luteinizing hormone d. Growth hormone 1. Which set of messengers acts on neighboring cells within the same tissue? a Autocrines b. Paracrines c. Hormones d. None of the above al poral system Hormones secreted into the hypophyseal portal detected by the a Posterior pituitary b. Anterior pituitary c. Median eminence d. Infundibulum 2. Which set of messengers acts...
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1. According to the paper, what does lactate dehydrogenase (LDH) do and what does it allow...
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(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
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points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
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myofiber in a human....
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...
1. In paracrine signaling, the signaling molecules affects only: Target cells close to the cell from which it was secreted a. b. Target cells distant from its site of synthesis in cells of an endocrine organ Both a. and b. с. d. None of these 2. Below are listed the events that occur in cell to cell communication. Signal transduction occurs 1. 2. Plasma membrane receptor binds with a ligand A cellular response is effected 3. 4. Ligand is released...
Odd #'s Only Question Help
MULTIPLE CHOICE & Which hormone is produced in the hypothal a. Adrenocorticotropic hormone b. Anti-diuretic hormone c. Luteinizing hormone d. Growth hormone 1. Which set of messengers acts on neighboring cells within the same tissue? a Autocrines b. Paracrines c. Hormones d. None of the above al poral system Hormones secreted into the hypophyseal portal detected by the a Posterior pituitary b. Anterior pituitary c. Median eminence d. Infundibulum 2. Which set of messengers acts...
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BIOL 1620o, Spring 2019 NAME (Last, Preferred First): Date: 45. What is the most important means by which capillay exchange occurs? 53. Which of the following organs does NOT contain lymphatic tissue? A. liver B. spleen C. lingual tonsils A. exocytosis B. diffusiorn C. ATP powered pumps D. facilitated diffusion E. pharyngeal tonsils. 46.According to Poiseuille's law A. blood flow is not related to resistance. B. ph of the blood influences flow C. viscosity of the blood is not related...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
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