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Aleks [24]
3 years ago
13

Which region of earths crust experiences the least amount of pressure

Biology
1 answer:
Alex73 [517]3 years ago
7 0

Answer: Above the mantle fam

Explanation:

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Which of the followingcharacteristics determines when the refractory period ends?
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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

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

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3 0
3 years ago
A possible explanation for the effectiveness of ________ is that it may reduce depression by triggering the long-term potentiati
k0ka [10]

Answer: Antidepressants

Explanation:

The effectiveness of ANTIDEPRESSANTS is best explained by how they stimulate the synapse junctions of several neurons in the body to a top frequency, thus inducing a continuous "feel-good" feeling in the patients administered such drugs.

This ability of antidepressants to sustain this "feel - good" feeling supresses depression and is known as the long-term potentiation of nerve cells.

5 0
3 years ago
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What is the watery medium in which all the organelles float?
Irina-Kira [14]
Organelles float around in the cytoplasm.
6 0
3 years ago
Label the brain parts<br><br> Please help me with this assignment
Anastaziya [24]

Answer:

A = parietal labe | B = gyrus of the cerebrum | C = corpus callosum | D = frontal lobe

E = thalamus | F = hypothalamus | G = pituitary gland | H = midbrain

J = pons | K = medulla oblongata | L = cerebellum | M = transverse fissure | N = occipital lobe

 

Explanation:

hope this helppss

6 0
3 years ago
Rainforests are not found in
Norma-Jean [14]

Answer:

B. Greenland

Explanation:

Rainforests are found in Alaska, Australia, and Africa, but not Greenland.

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3 years ago
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