Macromolecues Review

Anabolism is the

• addition of water to monomers
• breaking down of a polymer into monomers
• combining of monomers to build up a polymer

Fats, oils, and waxes are examples of which macromolecule?

• nucleic acids
• proteins
• carbohydrates
• lipids

Suppose you are going to draw models of the four main biomolecules/macromolecules. Which statement desribes how the models will be similar?

• They will all include nitrogen
• They will all include a chain of amino acids
• They will all include a sugar, phosphate, and a base
• They will all be formed around carbon chains or carbon rings

The primary structure of a protein is made up of which monomer?

• peptides
• monosaccharides
• fatty acids
• amino acids

Which of these describes the structure of a nucleic acid?

• several fatty acids linked together
• a long chain of monosaccharides
• a round "head" made of glycerold and hydrophobic "tails" made of fatty acids
• a chain of monomers composed of a sugar, a phosphate group, and a nitrogen base

Carbohydrates are good fo

• short-term energy storage
• building our DNA
• long-term energy storage
• repairing muscle

Which element is found in all macromolecules?

• sulfur
• phosphorus
• carbon
• nitrogen

Which of these describes a polymer?

• a large molecule made of smaller subunits
• a molecule that catalyzes a reaction in living organisms
• a molecule composed of hydrogen, carbon, and oxygen
• a molecule with a polar head and nonpolar tails

Proteins are made up of chains of...

• amino acids
• lipids
• carbon atoms
• energy

Monosaccharides and disaccharides belong in which category of macromolecule?

• lipids
• carbohydrates
• proteins
• nucleic acids