I think the correct answer from the choices listed above is option E. Spindle fibers are present in all stages of mitosis. Spindle fibers<span> are aggregates of microtubules that move chromosomes during cell division.</span><span> Hope this answers the question. Have a nice day.</span>
The procedure by which the parent cell's cytoplasm is differentiated into two daughter cells produced either through meiosis or mitosis is known as cytokinesis. This is also called cell cleavage or cytoplasmic division. The initiation of cytokinesis takes place in anaphase stage in animal cells and prophase in plant cells, and culminates in both in telophase stage, to produce the two daughter cells.
The process of cytokinesis occurs in four stages, that is, initiation, contraction, membrane insertion, and completion. The occurrences taking place within these stages vary in plant and animal cells.
The arranged events in respect to the function of the channels, ion permeability, and changes in membrane potential from top to bottom include:
1. opening of voltage-gated Na+ channels
2. Na+ ion flow into the neuron increases
3. depolarization of the membrane to +30 mV
4. K+ ion flow out of the neuron increases
5. repolarization of the membrane.
<h3>What is Membrane potential?</h3>
This is defined as the difference in electric potential between the interior and exterior parts of a biological cell and also refers to the potential gradient which facilitates the movement of ions in a cell in one direction.
In a cell, the series of events which occur according the variables such as ion permeability is opening of voltage-gated Na+ channels and is usually ended by the repolarization of the membrane.
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Answer:
Infection with these microorganisms would be even more noticeable in cold stages where temperatures are less than 28 degrees, since in this way the microorganisms would not survive in the external environment and would less infect amphibians.
Explanation:
Also keep in mind that water at different latitudes may have a greater or less warmth (that is the reason why in some areas it is said that its boiling point is not 100 degrees Celsius but around 83).
The warmer the water, the more amphibian mortality because there will be more infection since the microorganism manages to survive in an environment suitable for its needs.
