Carbohydrates and Lipids

Organic compounds - carbohydrates - Lipids

What are the 4 biomolecules and their functions

Monomers and polymers

all Biomolecules are polymers made of small monomers linked together

How do monomers and polymers bond together?

they bond together by dehydration synthesis and breakdown by hydrolysis

Carbohydrates

Lipids

proteins

AP - FRQ

Membranes are essential components of all cells.

Identify THREE macromolecules that are components of the plasma membrane in a eukaryotic cell and discuss the structure and function of each.

Open Ended

Membranes are essential components of all cells.

Identify THREE macromolecules that are components of the plasma membrane in a eukaryotic cell and discuss the structure and function of each.

AP - FRQ

Proteins–large complex molecules–are major building blocks of all living organisms. Discuss the following in relation to proteins.

The chemical composition and levels of structure of proteins

Open Ended

Proteins–large complex molecules–are major building blocks of all living organisms. Discuss the following in relation to proteins.

The chemical composition and levels of structure of proteins

Multiple Choice

A hydrophilic group is

• attracted to water.

• a polar and/or an ionized group.

• found at the end of fatty acids.

• All of these are correct.

Multiple Choice

Which of these is not a characteristic of carbon?

• forms four covalent bonds

• bonds with other carbon atoms

• is sometimes ionic

• can form long chains

Multiple Choice

Which of the following reactions combines two monomers to produce a polymer?

• dehydration

• hydrolysis

• phosphorylation

• none of the above are correct

Multiple Choice

the monomers of carbohydrates are the

• polysaccharides

• disaccharides

• monosaccharides

• waxes

Multiple Choice

Which of the following polysaccharides is used as an energy- storage molecule in plants?

• glycogen

• chitin

• starch

• cellulose

Multiple Choice

Fructose and galactose are both isomers of

• glycogen

• glucose

• starch

• maltose

Multiple Choice

A fatty acid is unsaturated if it

• contains hydrogen

• contains carbon–carbon double bonds.

• contains a carboxyl (acidic) group.

• is bound to a glycerol.

Multiple Choice

Which of the following is incorrect regarding phospholipids?

• the heads are polar

• the tails are nonpolar

• they contain a phosphate group in place of one fatty acid

• they are energy storage molecules in a cell

Multiple Choice

A lipid that contains four fused carbon rings is a

• triglyceride

• wax

• phospholipid

• steroid