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joja [24]
3 years ago
15

An action potential involves the transfer of _____ and _____ ions across an axon's membrane.

Biology
1 answer:
amm18123 years ago
5 0
An action potential involves the transfer SODIUM and POTASSIUM ions across an axon's membrane.
During depolarization, when the ion channels open, they allow the influx of sodium ions into the cell, thus changing the electro-chemical gradient of the cell, in order to counter balance this, potassium ions will be allowed to flow out of the cell.<span />
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11)El ciclo del agua, conocido científicamente como ciclo hidrológico, se refiere al intercambio continuo de agua en la hidrosfera, entre la atmósfera, el agua del suelo, la superficie, el agua subterránea y las plantas. La ciencia que estudia el ciclo hidrológico es la hidrología.

12)Sabems que las etapas del ciclo hidrológico  son las siguientes:

Evaporación

Condensación

Precipitación.

Las implicaciones que tienen para la vida cada una de las etapas son:

Evaporación, se reduce el nivel de los ríos, los lagos pequeños se seca, y se eleva la temperatura del ambiente.

Condensación, Es el proceso en el cual se forman las nubes, por lo que la luz solar disminuye.

Precipitación, produce nuevamente el aumento de los niveles de rios y lagos, y la disminución de la temperatura.

Explanation:

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3 years ago
One of the differences between calderas and craters is that the crater is than the caldera.
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The crater is larger than a caldera
4 0
3 years ago
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Provide at least three reasons why friction is needed.
Oduvanchick [21]

Answer:

Although you normally hear about trying to reduce or eliminate friction, it actually has some important uses.

Since friction is a resistance force that slows down or prevents motion, it is necessary in many applications where you might want to hold items or do things and prevent slipping or sliding. In those cases, there is an advantage of having friction.

Quite often uses of frction can be seen from how things would be without friction. Without friction, you would not be able to walk, drive a car, or hold objects. Pens and pencils would not work.

Explanation:

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3 key factors of Charles Darwin's Theory of natural selection
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Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in heritable traits of a population over time. The term "natural selection" was popularised by Charles Darwin who compared it with artificial selection, now more commonly referred to as selective breeding.
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3 years ago
The thick band of fibers that connects the two hemispheres of the brain is called the __________. corpus callosum cerebral corte
aliina [53]

The thick band of fibers that connects the two hemispheres of the brain is called the corpus callosum.

<h3>What is the function of the corpus callosum?</h3>
  • The greatest connective network in the brain is the corpus callosum, which is Latin for "tough body."
  • The corpus callosum is a significant mass of more than 200 million myelinated nerve fibers that connects the two hemispheres of the brain and enables the communication between the right and left sides of the brain.
  • This cerebral highway serves as a conduit for the continual exchange of sensory, motor, and cognitive information.
<h3>What is the structure of the corpus callosum?</h3>
  • The roof of the lateral ventricles is made up of part of the corpus callosum.
  • Four distinct neural pathways that connect various regions of the hemispheres make up the corpus callosum. The rostrum, genu, trunk or body, and splenium are the neural pathways.
  • The isthmus is a thin area that lies between the trunk and the spleen.
  • The tapetum, a group of fibers from the trunk and spleen, forms the roof of each lateral ventricle.

To learn more about corpus callosum visit:

brainly.com/question/14512960

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1 year ago
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