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Alexandra [31]
3 years ago
13

What structure surround and protect the cell?

Biology
1 answer:
VMariaS [17]3 years ago
6 0
The structure that surround and protect the cell depends on the cell type: for plants cells it would be a cell wall whereas for an animal cell it would be the cell membrane :)
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A cellular structure that can be found in each type of cell that is unique to each type of cell, but that has a similar function
34kurt

Answer

Complex barrier to the flow of substances out of the cells,and restrictions to inflow of unwanted substances into the cells. The hydrophobic and hydrophilic nature of the cell membrane controls the entry of substances from the extracellular medium into the intracellualr. In addition the polarity restricts certain substance movement across the walls.

Serve as the selective channels  for the  influx of certain substances into the cells, and the out flux of wastes.This is through ion channels for the movements of ions across.

Provide insulation to the cells,to maintain the constant internal temperature,this is through the presence of lipids as( Phospholipids and cholesterol).The latter prevent the clogging of the lipids in the cell membrane therefore preventing frozen up of the cell membrane,providing insulation.

Separation of metabolic process in the cell.

Explanation:

Cell membrane-This is present in all cells.But the variation of its constituents makes it unique to each cell. Although it performs the same role, the location and role the cells it bounded, reflects its  constituents, it is made up of lipids, carbohydrate, protein and cholesterol

6 0
3 years ago
What led to scientists accepting Mendels ideas?
Sliva [168]
Basically his experiments, which scientists came to know only after he was dead.  His experiments, and of course, the result of this experiments that served as a proof of what Mendel afirmed, where one of the most importnat factors that made his ideas accepted.

They where also accepted because he discovered DNA, the basic laws of inheritance and chromossomes.


Hope it helped,

Happy homework/ study/ exam!
3 0
3 years ago
All pigments in the chloroplast can absorb sunlight and can participate directly in photosynthesis. What is your opinion about t
S_A_V [24]

Answer:

One very important chlorophyll is chlorophyll a. All photosynthetic organisms (except a few groups of bacteria) have this as their main photosynthetic pigment. It is important because only it can participate directly in the light reactions, which convert solar energy to chemical energy.

Explanation:

Hope it helps u.

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5 0
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what percentage is the tonicity of the medically administered intravenous solutions? what would happen if the tonicity gets lowe
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Answer:

<h2>The Infusion Nurses Society (INS) classifies a solution as isotonic if its tonicity falls within (or near) the normal range for blood serum-between 280 and 300 mOsm/liter. A hypotonic solution has an osmolarity less than 280 mOsm/liter, and a hypertonic solution has an osmolarity greater than 300 mOsm/liter.</h2>

<h2>Hopefully u will satisfy with my answer..!!</h2>

<h2>Have a nice day ahead dear..!!</h2>

3 0
2 years ago
A species of snake that is found on only one small island is defined as
densk [106]
Barbados threadsnake
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Read 2 more answers
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