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Rashid [163]
3 years ago
14

Describe the importance of the cell membrane containing both polar and non polar parts

Biology
1 answer:
vaieri [72.5K]3 years ago
6 0

The main component of the cell membrane is a phospholipid bi-layer or sandwich. The heads (the phospho part) are polar while the tails (the lipid part) are non-polar.

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A patient tests positive for Loa loa antibodies. What does this test indicate?
jasenka [17]

Answer:

The individual was exposed to Loa loa at some point.

Explanation:

The helminth Loa loa , also called the African eye worm , is a type of nematode which can lead to loiasis .

Laiasis is a disease spread to the western and the central Africa .

The disease is generally found found in <u>less than 30 % of the population . </u>

Travelers are more susceptible on developing the symptoms than the native population .

6 0
3 years ago
Pls help<br> question b and c
liq [111]

The sodium ions and potassium ions move between the plant cell and pond water by the process of diffusion.

<h3>What is diffusion?</h3>

Diffusion is the process by which substances move from region of high concentration to regions of low concentration.

Based on the chart, sodium ions and potassium ions move between the plant cell and pond water by the process of diffusion.

This is because the ions are at higher concentration in the pond water.

During the process, the ions move through ion channels in and out of the plant cell from the pond water.

Learn more about diffusion at: brainly.com/question/7161064
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8 0
2 years ago
Brief summary of conservation of forests &amp; wildlife <br><br> least 10 page
wel

With the advent of industrialization, several trees have been cut at an alarming rate for raw materials and various other purposes. This felling of trees can be regulated by selective cutting, clear-cutting and shelterwood cutting.

Forest fires are one of the common causes of loss of forests. Sometimes the forest land is set on fire to make the land available for commercial purposes. Once cleared, there can be no vegetation. Natural forest fires are also responsible for the destruction of huge forest covers. Latest fire fighting techniques should be adopted to conserve the forest. However, forest fires are an important part of the ecosystem and it helps replenish nutrients in the soil from dead and decaying matter.

More trees should be planted to increase the forest cover. Trees should be selected according to the geographical conditions of a particular region and proper care should be taken during the growth of trees.

Prevention of exploitation of forestry and forest products is necessary for the conservation of forest.

The existing forests should be protected from diseases by spraying chemicals, antibiotics or development of pest-resistant strains of trees.

8 0
3 years ago
Which is the function of the cholesterol molecules in a cell membrane
I am Lyosha [343]

This helps slightly immobilize the outer surface of the membrane and make it less soluble to very small water-soluble molecules that could otherwise pass through more easily. Without cholesterol, cell membranes would be too fluid, not firm enough, and too permeable to some molecules. (www.cholesterol-and-health.com/Cholesterol-Cell-Membrane.html)

Hope this helps

6 0
3 years ago
Why is carbon essential to all known life on Earth?
ser-zykov [4K]
Carbon forms the key component for all known life on Earth. Carbon is the basis of all molecules. Its is easily able to bond because of the 4 valence electrons.
4 0
3 years ago
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