Describe the function of a triggering center in a neuron.
Describe the function of a triggering center in a neuron.
Homework Answers
The triggering centre occurs at chemical synapse. At chemical neuro-transmission, presynaptic neuron and the post-synaptic neuron are separated by a small gap which is called a synaptic cleft. It is filled with extracellular fluid . Although very small, i.e. a billionth of a meter, the synaptic cleft generates a physical barrier for electrical signal carried by a neuron to be carried over to another neuron. In electrical terminology, the synaptic cleft is considered
3. Describe the general morphological structure of a typical neuron and describe each structure in terms...
3. Describe the general morphological structure of a typical neuron and describe each structure in terms of location within the cell and its function to the cell. (5 points)
1) a. Define the threshold potential for a neuron. Describe what will occur in a neuron...
1) a. Define the threshold potential for a neuron. Describe what will occur in a neuron when the membrane reaches potentials lower (more negative) and higher (less negative) than the threshold, and why. b. Describe why action potential propagation is unidirectional, and why myelin increases the speed of action potential propagation.
Question 4: Impulse Transmission Between Neurons Nerve impulses travel from neuron to neuron. Describe this mode...
Question 4: Impulse Transmission Between Neurons Nerve impulses travel from neuron to neuron. Describe this mode of propagation, and draw a model to supplement your description. Explain how it differs from the mode of propagation along the neuron.
What is the function of the longest extension on a neuron? A. Support the function of...
What is the function of the longest extension on a neuron? A. Support the function of a neuron. B. Interpret whether a signal needs to be continued and sent to other cells. C. Receive signals from other neurons and send them to the cell body. D. Send signals away from the cell body to other neurons muscle cells, or gland cells.
describe the neuroglia of the PNS. explain how an injured neuron may regenerate
describe the neuroglia of the PNS. explain how an injured neuron may regenerate
A neuron has three main parts: dendrites, cell body, and axon. A neuron may send signals...
A neuron has three main parts: dendrites, cell body, and axon. A neuron may send signals to other neuron or other tissues (effectors). Describe how the signal moves from one point to the other.
PRINCIPLES OF BIOLOGY LABORATORY MANUAL tissues. In contrast, the neuron shown below in Figure 4.7 is...
PRINCIPLES OF BIOLOGY LABORATORY MANUAL tissues. In contrast, the neuron shown below in Figure 4.7 is long and thin with spe- cial branching extensions at both ends. Use your textbook and other resources to describe how the neuron's shape relates to its function. Coll body Nucleus Axon Figure 4.7. Neuron
Describe how an action potential occurs in a neuron and any ions which are involved. Also...
Describe how an action potential occurs in a neuron and any ions which are involved. Also explain the following graph at each point. | Voltage (mv) Time (ms)
what is the description of the unipolar neuron, where is it located and what is its...
what is the description of the unipolar neuron, where is it located and what is its function? what is the description of the bipolar neuron, where is it located and what is its function? what is the description of the multipolar neuron, where is it located and what is its function?
2) You are trying to examine how tension of the microtubule network impacts the triggering of...
2)
You are trying to examine how tension of the microtubule network
impacts the triggering of cell division. You have the ability to:
sever microtubules in a directed fashion using a laser and the
ability to pull on a kinetochore using a filament. What would you
expect to see occuring to the rate of cell division in cells
exposed to each of these treatments during prometaphase and
describe what is happening in terms of proteins at the kinetochore.
2) You...
3. Describe the general morphological structure of a typical neuron and describe each structure in terms of location within the cell and its function to the cell. (5 points)
What is the function of the longest extension on a neuron? A. Support the function of a neuron. B. Interpret whether a signal needs to be continued and sent to other cells. C. Receive signals from other neurons and send them to the cell body. D. Send signals away from the cell body to other neurons muscle cells, or gland cells.
PRINCIPLES OF BIOLOGY LABORATORY MANUAL tissues. In contrast, the neuron shown below in Figure 4.7 is long and thin with spe- cial branching extensions at both ends. Use your textbook and other resources to describe how the neuron's shape relates to its function. Coll body Nucleus Axon Figure 4.7. Neuron
Describe how an action potential occurs in a neuron and any ions which are involved. Also explain the following graph at each point. | Voltage (mv) Time (ms)
2)
You are trying to examine how tension of the microtubule network
impacts the triggering of cell division. You have the ability to:
sever microtubules in a directed fashion using a laser and the
ability to pull on a kinetochore using a filament. What would you
expect to see occuring to the rate of cell division in cells
exposed to each of these treatments during prometaphase and
describe what is happening in terms of proteins at the kinetochore.
2) You...
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