Macromolecules

Which of the following contains the genetic code for protein synthesis?

• carbohydrate
• lipid
• protein
• nucleic acid

Which of the following decreases the activation energy necessary to initiate the chemical change within the body?

• nucleotides
• enzymes
• amino acids
• fatty acids

What are the building blocks of proteins?

• amino acid
• fatty acid
• nucleotide
• lipid

What are the single sugars that are the building blocks of carbohydrates?

• monosaccharides
• disaccharides
• polysaccharides
• amino acid

Why are lipids insoluble in water?  

• lipids are polar
• lipids are non-polar
• lipids have a negative charge
• lipids are building blocks of protiens

Which is an example of a lipid

• fat
• starch
• glucose
• hemoglobin

Which is NOT a monomer?

• sucrose
• glucose
• amino acid
• fatty acid

Enzymes will make a reaction go _______ and use ______ energy.

• faster, less
• faster, more
• slower, less
• slower, more

What is a protein: 

• A polymer composed of many sugars.
• A polymer composed of many amino acids. 
• A polymer composed of fatty acids. 
• A polymer composed of nucleotides. 

How many different amino acids are there?

• 15
• 20
• 25
• 30