18. An influx of sodium into the resting cell would lead to this. 19. When the c
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18. An influx of sodium into the resting cell would lead to this. 19. When the charge inside the cell becomes more negative than the resting membrane potential it is called: 20. When the charge inside the cell returns to the resting potential following depolarization, it is called: 21. This type signal molecule is secreted by an endocrine cell 22. This type of signal molecule is secreted by a neuron into the 23. This type of signal molecule is released by a neuron and 24. This general type of signal is released by a cell in order to 25. When a ligand binds to this type of membrane receptor, a 26. There are communication systems in the body that send into the blood. blood. binds to a cell on the other side of the synaptic cleft. communicate with other cells around it. passageway for ions opens. signals that speed up their target cells' activity and others that slow it down (e.g., Fig. 6.15b). The relationship betweer these two systems can be called: 27. The tyrosine kinase receptor is an example of this receptor. 28. The conversion of one type of signal into another type cf 29. The adenylyl cyclase- cAMP and phospholipase C systems 30. In cellular communication, a single signal molecule (1st signal is called: involve this type of membrane receptor. messenger) binding to a receptor leads to the production of many intracellular messengers (2nd messengers), which is like turning up the volume of the signal. The term that reflects this effect is:Explanation / Answer
Answer18) when sodium get inside than the depolarization in the membrane potential will occur. In this now cell will become electrochemically active.
Answer19) this state is known as hyperpolarization this occurred due to opening of potassium channels which get out of the cell leaving more negative charge inside.
Answer20) than this is known as repolarization. In this state the cell will come at its resting potential that is -70mv.
Answer 21)the signal molecule which is secreted by endocrine cells are known as hormones which further act on the target cell , usually carried from the blood stream to the targeted organ.
Answer 22)they also secrete neuronal hormone which are similar to endocrine cell these hormone have both inhibitory and excitatory effect. Neuron synthesis ,store these hormones.
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