What structure is labeled as "A"? (a)  

• amino acid

• nucleotide

• protein

• polysaccharide

The hydrogen bonds that connect the nitrogen base pairs are (a)   .

• weak

• strong

Match the following

• deoxyribose sugar

• 
• nitrogenous bases

• 
• nucleotide

• 
• DNA

• 

The subunit of a macromolecule is called (a)   . The subunit of a nucleic acid is called (b)   . Examples of nucleic acid polymers are RNA and (c)   . The "NA" in "DNA" and "RNA" stands for (d)   .

• monomer
• nucleotide
• DNA
• Nucleic Acid

What is the name of the structure in the image?

• Glucose

• Salivary Amylase

• Phospholipid

• DNA

A (a)   codes for a (b)   .

• gene
• protein
• chromosome
• ribosome

What is the name of this structure?

Which structure is labeled with a "W"?

• deoxyribose

• glucose

• guanine

• peptide bond

What type of bond is labeled as "B"? (a)  

• peptide bond

• disulfide bond

• hydrogen bond

Which structure is labeled with a "Y"?

• ribose

• deoxyribose

• guanine

• phosphate