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kramer
3 years ago
10

By controlling the substances that enter and leave the cell, the cell membrane helps maintain homeostasis in the cell.

Biology
2 answers:
Ratling [72]3 years ago
6 0
The answer is True. Hope this helps:)
Ludmilka [50]3 years ago
3 0
True :) hope it helps
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Sam’s teacher is trying to model the day/night cycle on Earth. One student holds a large yellow ball to represent the Sun. Anoth
Orlov [11]
Hello!

So, day and night are caused because the earth makes a full rotation on its axis once every 24 hours.

That way, have of Earth is facing the sun (it is morning on that side) and the other half isn't (which is why it is nighttime over there).

For example, if it's nighttime in Canada and America, it's morning in Pakistan and India. This is because Pakistan and India are facing the sun whilst Canada and America are not.

A N S W E R:

The balls should be moved so that half the Earth is facing the sun and the other half is not. This would be 24 hours. As for the sun, it is a gas, not a solid, so it doesn't rotate like one. However, that does not mean that it is not rotating to some extent.
4 0
3 years ago
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You should suspect a kidney injury anytime the patient presents with
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A hematoma in the flank locale. A hematoma is a confined accumulation of blood outside the veins, due to either malady or injury including damage or surgery and may include blood proceeding to leak from broken vessels. A hematoma is at first in fluid shape spread among the tissues incorporating into sacs between tissues where it might coagulate and harden before blood is reabsorbed into veins. An ecchymosis is a hematoma of the skin bigger than 10mm.
4 0
3 years ago
Chargaff's Rule. If there is 20% Adenine in the cell, what is the percentage of Thymine, Guanine, and Cytosine found in the same
Ulleksa [173]

Answer:

A= 20%

G= 30%

T= 20%

C= 30%

Explanation:

Recall that the sum of all nitrogenous bases in the DNA nucleotide is equal to 100%. And specific base pairings of Adenine to Thymine (A=T), and Cytosine to Guanine (C=G) must be equal.

So, the percentage of Adenine equal thymine, and that of cytosine equals guanine.

Now, A + T + C + G = 100%

So, if Adenine makes up 20% of the DNA nucleotides, Thymine is also 20%.

Then, 20% + 20% + C + G = 100%

40% + C + G = 100%

C + G = 100% - 40% = 60%

So, divide 60% by 2 to obtain the individual percentage of cytosine and guanine. Each will take 30%

Finally, A= 20%; G= 30%; T= 20%; C= 30%

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3 years ago
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Which of the following organisms is most likely to obtain nutrition via photosynthesis?
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<span>c. euglena have chloroplasts 
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Chloroplasts are organelles that are responsible for the photosynthetic functioning of an organism.Photosynthesis is the process by which an organism uses the photons to produce energy. These organisms uses the sun, together with the acquired resource of water and carbon dioxide to create sugar and process into energy. </span>
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2 years ago
The range of electromagnetic energy emitted by the sun, known as the solar spectrum, is found mostly in three regions of the ele
Sindrei [870]

Answer:

All of the energy released from the Sun, which is confronted by our planet earth is in the form of solar spectrum or comes inside that range of energy describe as solar energy.

Explanation:

  • The sun is present at the center of the solar system providing the optimum level of energy to all the celestial entities inside our solar system to keep a level of energy for its survival and sustaining a balance of heat inside its environment. As, our planet earth is too comes in path of the energy released by the red giant and thus we confront the all the electromagnetic energy released by sun in the solar spectrum range.
  • As, all of the electromagnetic energy released from the sun is comprised inside the solar spectrum range.While, the different ranges of solar spectrum exists which are well evaluated as the x-rays, UV rays etc.
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3 years ago
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