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IRISSAK [1]
3 years ago
14

Why is it important that the phospholipid bilayer be both hydrophobic and hydrophilic?

Biology
2 answers:
lbvjy [14]3 years ago
8 0
<span>It is important that the phospholipid bilayer is both hydrophobic in the surface and hydrophilic inside to control and manage the incoming organic compounds mainly water from exceeding the needed amount or destablizing the concentration established by the cells. </span>
<span>Hydrophilic is a characteristic of an object which is attracted to water or can synthesize with water. In contrast to hydrophobic like fats, oils and lipis which has a strong aversion and dislike to water molecules. </span>
Transmembrane proteins are found in the plasma membrane. Hydrophilicregions are embedded <span>within the membrane, and Hydrophobic regions project from both surfaces of the bilayer. </span><span>
Approximately 20-80% of the cell membrane is composed of lipids, the rest, is made up of protein. The lipid layer of the membrane gives it flexible and permeable characteristic. While the protein part assists in transport of molecules it needs to survive.<span>
</span></span>
Tresset [83]3 years ago
6 0

CORRECT Answer: It's important that the phospholipid bilayer be both hydrophobic and hydrophilic because they maintain balance in the cell.

Hope this helps! Have a great day!

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Which of the following is not a function of astrocytes?
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The correct answer is: E) provide the defense for the CNS

Astrocytes are star-shaped cells found in central nervous system (brain and spinal cord) .Some of their functions include:

• Support of neurons by supporting endothelilal cell of blood–brain barrier,

• Provide nutrients to neurons

• Maintain ion balance and thus controlchemical environment around neurons

• Repair of injuries in the brain

• the secretion or absorption of neural transmitters…

The cells that provide the defense for the CNS are called microglia. Those cells are also glial cells, derived from macrophages and thus, part of active immune defense.

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3 years ago
Which of the following is NOT true of a reaction that breaks a bond?
MrMuchimi

Answer:

C

Explanation:

Endergonic reactions use energy to <em>build bonds</em>

Exergonic reactions release energy through <em>breaking bonds</em>

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4 0
2 years ago
What is the percentage size difference between the giant dragonfly and the modern dragonfly?
viva [34]

Answer:

Giant Dragonfly - 2.5 FEET

Modern Dragon Fly - 1-4 Inches.

Explanation:

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6 0
3 years ago
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irina [24]

Answer:

Elevated uric acid levels lead to a condition known as "Hyperuricemia."

Explanation:

This condition occurs when there is an excessive presence of uric acid in the blood. It can be divided into:

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Primary hyperuricemia occurs when the kidneys are not able to eliminate uric acid in an efficient/proper way. This can be due to the consumption of foos that are very high in purines. For example, liver, gravy, alcoholic beverages, and some vegetables such as spinach and asparagus.

Secondary hyperuricemia may occur to several possible reasons. For instance, kidney disease, in which the kidney is not able to eliminate uric acid; chemotherapy, which may lead to the accumulation of uric acids; or medications that increase the level of uric acid in the blood.

Symptoms include:

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To prevent this disease and as part of a treatment (along with medications prescribed by a doctor), a patient should opt to consume foods that are low in purine, such as lettuce, tomatoes, cereals, fruits, milk, eggs, amongst others.

7 0
3 years ago
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