Biochemistry Review

Most lipids are nonpolar, and do not mix with water. They are considered to be...

• Hydrophilic

• Polar covalent

• Hydrophobic

• Ionic

The diagram shows the structure of palmitic acid. What type of fatty acid is palmitic acid?

• it is monosaturated

• it is polyunsaturated

• it is saturated

• it is a trans-fatty acid

A monosaccharide is a

• Carbohydrate

• Lipid

• Nucleic Acid

• Protein

Lipids are composed primarily of _____________, hydrogen and oxygen.

• Nitrogen

• Carbon

• Phosphorus

• Sulfur

Polymers are linked together to form Monomers

• True

• False

What type of molecule is shown in this diagram?

• trans saturated fatty acid

• cis unsaturated fatty acid

• cis saturated fatty acid

• trans unsaturated fatty acid

Which of the following is NOT one of the 4 major groups of organic compounds?

• Carbohydrates

• Lipids

• Proteins

• Salts

Which type of sugar is made by plants during photosynthesis?

• Glucose

• Galactose

• Fructose

• Sucrose

Plants and animals store extra glucose in different molecules. What is the plant glucose storage molecule?

• Glycogen

• Cellulose

• Starch

• Chitin

Phospholipids main function is for

• protection

• make up the cell membrane

• Insulation

• Long-term energy storage