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Types of Lipids Description are solid at room temperature &contain saturated fatty acids Examples Fats Oils Cholesterol butter, fish, egg

Types of Lipids Description are solid at room temperature &contain saturated fatty acids Examples Fats Oils Cholesterol butter, fish, egg

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Complete the table on the types of lipids, its description and examples.

Types of Lipids Fats Description are solid at room temperature &contain saturated fatty acids Examples Oils Cholesterol butter, fish, egg
Transcribed Image Text:Types of Lipids Fats Description are solid at room temperature &contain saturated fatty acids Examples Oils Cholesterol butter, fish, egg
Lipids - are commonly known as the storing energy for later use. They are found in hormones and membrane component of the cellI. Lipids have different structural types such as carboxylic acid or fatty acids, triglycerides or neutral fats, steroids and waxes. Naturally occurring esters are lipids that contain one or more long chain carboxylic acids called fatty acids. These are insoluble in water but soluble in nonpolar solvents. The most abundant of the lipids are the fats and oils, also called triglycerides. Fats are solid at room temperature and contain saturated fatty acids, which are basically produced by animals. Animal fats include the lard and the butter. Oils are liquid at room temperature and contain unsaturated fatty acids. Most oils, such as vegetable oils, corn oil, palm oil, olive oils are produced by plants. If you eat in moderation, fats are good sources of body fuel. They are considered good emergency food and are efficient energy storage system. However, an excessive quantity of fats intake is not good for the heart. The reasons why fats are not good for the heart is because they tend to clog arteries and overwork the heart. Steroids are another class of lipids and the most important steroid is cholesterol. It is a sterol because of the presence of alcohol or the hydroxyl functional group. It is found mainly in animal cells and small amount of this may also found in the plant cell. Refer to the diagram below. H,C CH, CH, H,C-CH- H,C CH, STRUCTURE OF CHOLESTEROL Cholesterol plays as important role in eukaryotes and especially abundant in cell membrane of animal cells. Small amount of cholesterol can also be found in the membrane of some organelles inside the cells, such as the mitochondria and the endoplasmic reticulum. It is also found in the nerve cells, myelin, covers nerve axons to help conduct the electrical impulse that make movement, sensation, thinking, learning, and remembering possible. Animals are able to use cholesterol to synthesize other steroids like cortisone, testosterone and estrogen which are essential for the process of reproduction. Although cholesterol is essential lipid for human, excessive levels of cholesterol in the blood can lead to deposits in the arteries of the heart. These arterial deposits are a leading cause of heart disease.
Transcribed Image Text:Lipids - are commonly known as the storing energy for later use. They are found in hormones and membrane component of the cellI. Lipids have different structural types such as carboxylic acid or fatty acids, triglycerides or neutral fats, steroids and waxes. Naturally occurring esters are lipids that contain one or more long chain carboxylic acids called fatty acids. These are insoluble in water but soluble in nonpolar solvents. The most abundant of the lipids are the fats and oils, also called triglycerides. Fats are solid at room temperature and contain saturated fatty acids, which are basically produced by animals. Animal fats include the lard and the butter. Oils are liquid at room temperature and contain unsaturated fatty acids. Most oils, such as vegetable oils, corn oil, palm oil, olive oils are produced by plants. If you eat in moderation, fats are good sources of body fuel. They are considered good emergency food and are efficient energy storage system. However, an excessive quantity of fats intake is not good for the heart. The reasons why fats are not good for the heart is because they tend to clog arteries and overwork the heart. Steroids are another class of lipids and the most important steroid is cholesterol. It is a sterol because of the presence of alcohol or the hydroxyl functional group. It is found mainly in animal cells and small amount of this may also found in the plant cell. Refer to the diagram below. H,C CH, CH, H,C-CH- H,C CH, STRUCTURE OF CHOLESTEROL Cholesterol plays as important role in eukaryotes and especially abundant in cell membrane of animal cells. Small amount of cholesterol can also be found in the membrane of some organelles inside the cells, such as the mitochondria and the endoplasmic reticulum. It is also found in the nerve cells, myelin, covers nerve axons to help conduct the electrical impulse that make movement, sensation, thinking, learning, and remembering possible. Animals are able to use cholesterol to synthesize other steroids like cortisone, testosterone and estrogen which are essential for the process of reproduction. Although cholesterol is essential lipid for human, excessive levels of cholesterol in the blood can lead to deposits in the arteries of the heart. These arterial deposits are a leading cause of heart disease.
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