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Lipid Biology

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Questions and Answers

What is the primary component of Sphingolipids found in cell membranes?

Carbon chain

Amine and two alcohols (correct)

Glycerol

Hydrophobic lipid tail

Which part of Sphingolipids is not found in cell membranes?

Amine

Carbon chain

Glycerol (correct)

Two alcohols

What is the name of the component of Sphingolipids that has three parts?

Terpenes

Glycolipids

Sphingosine (correct)

Isoprenoids

Where are Sphingolipids primarily found in the body?

Nerve cells and brain tissues (C) Signup and view all the answers

What is the characteristic of Sphingolipids in cell membranes?

They do not contain glycerol (C) Signup and view all the answers

What is true about Sphingolipids in comparison to other lipids?

They are a second type of lipids found in cell membranes (A) Signup and view all the answers

What is the main function of Chylomicrons?

To carry lipids from the digestive tract into circulation (D) Signup and view all the answers

What is the primary function of Low-density lipoproteins (LDL)?

To carry cholesterol to the cells (D) Signup and view all the answers

What is the function of High-density lipoproteins (HDL)?

To absorb cholesterol and carry it back to the liver (A) Signup and view all the answers

What is the main component of Lipoproteins?

Droplets of fats surrounded by a single layer of phospholipid molecules (D) Signup and view all the answers

What is the function of Apolipoproteins?

To provide structure to the lipoproteins (D) Signup and view all the answers

What is the role of Lipoproteins in the body?

All of the above (D) Signup and view all the answers

What is the characteristic property of unsaturated fatty acids?

Substitution reaction (B) Signup and view all the answers

What is the primary function of lipids in the human body?

Energy storage (C) Signup and view all the answers

What is the difference between saponifiable and non-saponifiable lipids?

Saponifiable lipids contain fatty acids that can be used in making soap (C) Signup and view all the answers

What is the structural feature of sphingolipids?

Amide linkage between sphingosine and fatty acids (A) Signup and view all the answers

What is the characteristic of saturated fatty acids?

Linked by a single bond (C) Signup and view all the answers

What is the example of non-saponifiable lipids?

Vitamin A and E (A) Signup and view all the answers