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2 years ago

11

What mechanisms are in place to prevent the continuous stimulation of a muscle fiber after the neurotransmitter is released from

the presynaptic membrane?

1 answer:

Leya [2.2K]2 years ago

8 0

Synaptic AcetylCholinEsterase (AChE) enzyme breaks down the AcetylCholine (ACh) neurotransmitter

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Earth’s axis passes through the_____and South Poles. It takes Earth____hours to rotate once around its axis. Earth revolves once

Darya [45]

Answer:the first blank is north the second blank is 24 hours the third blank is 365 days

Explanation:h

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2 years ago

Which procedures were followed in this lab to decrease experimental error? Check all that apply. repeating the experiment three

Musya8 [376]

<span>repeating the experiment three times for each temperature

</span><span>using three different temperatures instead of only two

</span><span>using three different surface areas instead of only two

hope this helps</span>

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2 years ago

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The diagram below shows the relationship between photosynthesis and cellular respiration and the organelles in which they occur.

hichkok12 [17]

Answer:

The answer is: Carbon dioxide and water released by cellular respiration are used in photosynthesis.

Explanation:

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2 years ago

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In direct calorimetry, a person is placed in a large, water-insulated chamber. The chamber is kept at a constant temperature. Wh

Anastaziya [24]

Answer:

Although direct calorimetry is considered to be the most precise technique for the measurement of metabolic rate, construction of such a chamber that is large enough for doing exercise physiology research (or any research for that matter) is extremely expensive and not at all mobile.

Explanation:

Direct calorimetry measures the heat production of an individual, in calories, when placed in an insulated chamber where the heat is transferred to surrounding water. This is a very accurate method of measuring energy expenditure.

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2 years ago

The gray matter in the spinal cord is located in the ____________ , and its shape resembles a letter H, or a butterfly. The cell

mariarad [96]

Answer:

The gray matter in the spinal cord is located in the <u><em>grey column</em></u> , and its shape resembles a letter H, or a butterfly. The cell bodies of somatic motor neurons are primarily housed in the <u><em>ventral or anterior</em></u> horns, which innervate skeletal muscle.

Explanation:

The grey matter is a component of the central nervous system that contains neuronal and glial cells and it can be found in the brain, brainstem and <em>spinal cord, in this last one, is found in the grey column, a mass of grey matter shaped in H form.</em>

In this column the grey matter is divided into four columns (as you can see in the image I added):

The dorsal or posterior horn: contains somatosensorial neurons
<em> The ventral or anterior horn: contains somatic efferent motor neurons (they exit the spinal cord to innervate skeletal muscle) </em>
The intermediate column: contains neurons to innervate visceral organs
The lateral horn: same as the intermediate column

I hope you find this information useful and interesting! Good luck!

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2 years ago