Lipids

Saturated fats are __________ at room temperature.

• liquid

• solid

The characteristic that all lipids have in common is----

• made of lots of double bonds
• acidic when mixed with water
• no high energy content
• do not dissolve in water

The phospholipid bilayer comprises what part of the cell?

• cytoplasm
• cell membrane
• cytoskeleton
• nuclear membrane

Part of a phospholipid molecule can mix with water, but the other part cannot. This means the molecule is

• hydrophobic

• hydrophilic

• amphipathic

• ambidextrous

Which of the following facts is not TRUE about lipids?

• more double bonds, increase in melting point

• sparingly soluble in water but insoluble in organic solvents

• act as thermal insulators

• solubility decreases with increasing carbon chain length

Fatty Acids differ in there chain length and their

• protein carriers

• Side chains

• energy level

• degree of saturation

Monomers of Lipids include

• amino acids

• monosaccharides

• nucleotides

• glycerol and fatty acids

Which is an example of a lipid?

• candy

• olive oil

• meat

• DNA

A triglyceride is made up of __ glycerol and __ fatty acids.

• 3; 1

• 1; 3

• 1; 2

This diagram represents a...

• Saturated fatty acid

• Monounsaturated fatty acid

• Polyunsaturated fatty acid