Functions of Lipids in Biological Systems

What is the primary function of phospholipids in cell membranes?

Form a lipid bilayer for structural support

Which type of lipids store more energy per gram compared to carbohydrates?

Triglycerides

What is the role of steroid hormones derived from cholesterol?

Regulate various physiological processes

How do lipids help in temperature regulation in living organisms?

By acting as an insulating layer beneath the skin Signup and view all the answers

Which lipids play a significant role in cell signaling?

Cholesterol Signup and view all the answers

What is the function of myelin sheaths surrounding nerve cells?

Facilitate efficient nerve impulse transmission Signup and view all the answers

What is the role of lipids in cell signaling?

Serving as signaling molecules that regulate inflammation and immune responses Signup and view all the answers

How do lipids contribute to buoyancy in aquatic organisms?

Being in the form of lipoproteins facilitating movement in water Signup and view all the answers

During periods of fasting or energy deficit, what happens to stored triglycerides?

Are broken down to release energy Signup and view all the answers

What is the role of lecithin in the body?

Aids in the absorption of fats Signup and view all the answers

What is the function of saturated fatty acids in the body?

Raises LDL cholesterol levels Signup and view all the answers

Which lipid deficiency may lead to hemolysis, particularly in infants?

Choline deficiency Signup and view all the answers

What is the primary source of saturated fatty acids?

Meat and dairy products Signup and view all the answers

Which lipid is essential and must be obtained from our diet?

Linoleic acid Signup and view all the answers

What is the role of lecithin as an emulsifier in food products?

Aids in stable emulsion formation Signup and view all the answers

Functions of Lipids in Biological Systems

Questions and Answers