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BaLLatris [955]
2 years ago
13

Why do phospholipids tend to spontaneously orient themselves into something resembling a membrane such as the lipid-bilayer sphe

re, single-layer lipid sphere, and lipid-bilayer sheet
Biology
1 answer:
KatRina [158]2 years ago
5 0

The phospholipid bilayer functions mainly as a structural framework for the membrane where the polar heads of the phospholipids tend to orient towards their polar surroundings, preserving the hydrophobic part from any contact with water.

<h3>What are phospholipids?</h3>

They are lipid molecules that have a strongly polar group in addition to the hydrophobic hydrocarbon chain.

<h3>Characteristics of phospholipids</h3>

  • The polar heads are oriented towards the aqueous medium (intra and extracellular).

  • The hydrophobic tails tend to be oriented towards the lipid medium, that is, inside the bilayer, constituting the membrane matrix.

Therefore, we can conclude that phospholipids, due to their amphipathic nature, tend to orient or organize themselves spontaneously, forming the so-called lipid bilayer.

Learn more about phospholipids here: brainly.com/question/21291521

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Glucose-6-phosphatase (G6Pase), an enzyme found mainly in the liver and the kidneys, plays the important role of providing glucose during starvation. Unlike most phosphatases acting on water-soluble compounds, it is a membrane-bound enzyme, being associated with the endoplasmic reticulum.

Liver cells contain a membrane bound enzyme called glucose-6-phosphatase for glycogenolysis by glucagon especially during starvation when free glucose is required. As glucagon enters the liver cells it activates the enzyme glucose-6-phosphatase which then acts on glucose-6-phosphate and hydrolyzes it. As glucose-6-phosphate is hydrolyzed, it results in the formation of a phosphate group and a free glucose. The free glucose thus formed is transported from the liver cell to other tissues by specific glucose transport membrane protiens.

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