Lipids

What do lipids include?

1.Fat

2.Oils

3.Steroids

4.Proteins

• only 1 & 2 are correct

• only 2 & 3 are correct

• only 1 & 3 are correct

• only 1,2 & 3 are correct

1.Lipids are ---- in water.

2.Lipids are ---- in nonpolar solvents.

• 1.Soluble

  2.Soluble

• 1.Insoluble

  2.Soluble

• 1.Insoluble

  2.Insoluble

• 1.Soluble

  2.Insoluble

Which of the following contains lipids?

• fat soluble vitamins

• water soluble vitamins

• carbohydrate

• protein

Which of the following is not made up of lipid?

• albumin

• steroid hormone

• cell membrane

• organelle membrane

What does the following sentence mean?

Lipids are the biomarkers of certain diseases?

• lipids cause certain diseases

• lipids are used to diagnose certain diseases

• lipids are used in treatment of certain diseases

• lipids are the risk factors of certain diseases

Which are the structural unit of lipids?

• glycerols

• glucose

• fatty acids

• amino acids

What are fatty acids?

• alcohols

• esters

• carboxylic acids

• aldehydes

Which of the following statement is true?

• aliphatic chains in lipids are always saturated

• aliphatic chains in lipids may be saturated or unsaturated

• aliphatic chains in lipids are always unsaturated

• aliphatic chains in lipids are neither saturated nor unsaturated

Which part of lipids is hydrophobic?

• non polar hydrocarbon chain

• polar region containing oxygen

• polar hydrocarbon chain

• none

What is the meaning of being hydrophillic?

• having a tendency to mix with dissolve in or be wetted by water

• having a tendency to repel water

• being neutral to water