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A lipid is a type of biochemical that does not dissolve in water; fats and steroids are lipids. A phospholipid is a lipid that contains phosphorus and that is a structural component in the cell membranes.

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14y ago
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14y ago

Phospholipids differ from fats in only having two fatty acid chains and a polar head rather than a glycerol head.

This answer comes from http://www.umanitoba.ca/Biology/lab2/biolab2_3.html

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13y ago

Lipids are made of one molecule of glycerol linked to three fatty acid molecules. ( a triglyceride) Phospholipids have one of the fatty acids replaced by a phosphate group or has a phosphate group added to it.

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11y ago

Answered by TAMJEED ALAM

Steroid is present in animal and plant life alike, and the commonest presentation of steroids are the, dietary fat cholesterols, sex hormones, corticosteroids secreted by the adrenal glands, and the drugs like dexamethasone, predisolone, etc

Sterols are a subgroup of steroids and an important form of bio molecule.

As sterols are a precursor for steroids, both can be considered to have similar outcomes and effects on the human body. These include from the cholesterol molecule to the sex hormones to the glucocorticoids to the anti inflammatory drugs like dexamethasone. Also the anabolic steroids are of the same category as well.

Sterols are different in the sense that they are required to keep the fluidity of cells and secondary signaling, which the steroids are not a part of.

So the similarities between these two outweigh the dissimilarities, and we should consider sterols as a component of steroid thus providing us with the effects of steroids that we normally see... :)

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13y ago

Sterols do not have FA chains in their structure, while there are two FA chains (and a phosphate group) in Phopholipids, and three FA chains bonded to glycerol in Triglycerols.

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Q: How are sterols different from a phospholipid?
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What is a common feature of plant sterols?

Plant sterols can lower cholesterol.


What does the word sterols mean?

Sterols is the plural form of the noun sterol. Sterols are any group of unsaturated steroid alcohols that occur naturally. They are usually waxy solids.


Identify three macromolecules that are components of the plasma membrane in a eukaryotic cell?

There are 4 major components: 1. phospholipid bilayer 2. Sterols (eg. cholestrol) 3. Proteins/ amino acids 4. Carbohydrates (exterior of some of them)


Are sterols lipids?

Sterols are in fact lipids. One such sterol lipid is known as cholesterol. Cholesterol is found in body tissues such as the nerves and blood.


He fatty acids in the tail of a phospholipid molecule are?

This is called the hydrophobic 'side' of the phospholipid molecule


Do triglycerides and sterols have very similar chemical structures?

Not exactly, sterols are a subgroup of steroids and contain ring structured carbons. Triglycerides on the other hand have a glycerol backbone attached to three fatty acid units. Both sterols and triglycerides are lipids.


How do variations in this structure account for functional differences among membranes?

Different membranes have different scatters of proteins that are located in with the phospholipid bilayer. These different proteins have different functions.


Is cholesterol a phospholipid?

No it is in fact not a phospholipid just a lipid. A phospholipid needs a phosphate group and cholesterols molecular formula is C-27 H-46 O and with no Phosphate it can not be a phospholipid.


What is the importance of sterols and phospholipids?

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What are 3 example of lipids?

fats, waxes, and sterols


3 classes of lipids?

sterols, glycerides, and sphingolipids


Does plasma membrane have phospholipid layer?

A phospholipid bi-layer.