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Readme [11.4K]
2 years ago
13

Explain why the cell membrane is described as selectively permeable

Biology
1 answer:
oee [108]2 years ago
8 0
Hello,
The Cell Membrane is described as selectively permeable because it allows only certain molecules or ions to pass through the membrane by active transport or passive transport.
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Which molecule listed is most likely to cause osmosis in the body? protein glucose oxygen sodium chloride?
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The answer is protein

Osmosis happens when the osmotic pressure of two container separated by semipermeable membrane is different. The osmotic pressure could be exert by polar solute because they will attract water molecule. Protein, glucose, and sodium chloride is the common molecule that could cause osmosis. But protein is the main substance that keep the osmotic pressure of the blood in the body.

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The correct answer for the given question above would be option B. Thale cress <span>is a plant that is genetically engineered with genes that break down toxic materials, so this would be a transgenic type of organism. By definition, transgenic organisms undergone genetic engineering wherein genes of a particular specie is modified or transplanted into another. Hope this helps.</span>
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Hotspots are plumes of magma that originates deep below the ______. with respect to overlying plates, these plumes can remain __
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The hotspots are regions, where the plumes of magma are present just below the lithosphere. The plume of the magma is the particles of the volcano and the gases, which is erupted during the volcanic eruption. It is generated by the fragmentation of the magma. Once, it reaches the lithosphere, it get spreaded laterally.

The plumes at the hotspots are present just below the tectonic plates, a high temperature r heat and the low pressure causes the rocks present in the lithosphere to melt resulting in volcanic eruption. At hotspot, the melting of rock takes time, sometimes it is very slow, due to the presence of various tectonic plates. Hence, the plumes can remain stationary for a very long period of time without erupting.

So, the first blank can be filled with Lithosphere and the second blank can be filled with Stationary.

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Coelenterates differ from other animal in having
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