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Iteru [2.4K]
3 years ago
13

The __________ are primarily responsible for maintaining the salinity of the renal medulla versus the renal cortex.

Biology
1 answer:
Yuki888 [10]3 years ago
5 0
I forgot and have the same problem
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I NEEED HELP AS QUICK AS POSSIBLE!!!
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Answer:

The answer is B: Active Transport

Explanation: Because energy is required to move the sodium and potassium ions against the concentration gradient. Sodium ions are actively transported from the inside of the cell to the outside of the cell, even though there is a higher concentration of sodium ions on the outside.

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The autonomic nervous system may cause activation or inhibition of _______
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rehibilation

Explanation:

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Which of the followingcharacteristics determines when the refractory period ends?
kondor19780726 [428]

Explanation:

<u>-how long it takes for the voltage-gatedNa+ channels to close at the end of an action potential</u>

Neurons have unique structures which aid in facilitating communication by sending and receiving electrical signals very efficient.

The refractory period describes a period between the initiation of an action potential where Na+ channels are closed, and immediately after the action potential’s peak. Action potentials would require an influx of more positively charged ions; these must be more than a specific threshold in order to have the cells send along more action potentials which helps with figuring out stimulus intensity.

Potassium ions readily diffuse out of the cell more quickly than sodium due to the presence of more channels which allow for potassium leakage. The sodium pumps in neuronal membranes bring more Na+ than K+ ions into the cell; with every three sodium ions pumped out two potassium ions are brought in- this is in order to maintain the negatively charged membranes within the cell along with the resting potential.

Learn more about the autonomic nervous system at brainly.com/question/10386413

Learn more about neurotransmitters at brainly.com/question/9424160

Learn more about homeostasis at brainly.com/question/1601808

#LearnWithBrainly

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What big idea of biology do these situations illustrate
faltersainse [42]

Answer: Step-by-step

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