Nucleic Acids

Which of these is true about DNA?

• Has a double helix
• Has a single helix
• Contains uracil

Which of these is true about RNA?

• Has a double helix
• Has a single helix
• Contains thymine

How many carbons form the sugar in the backbone?

• 3
• 4
• 5
• 6

Which is the correct pairing?

• A-C
• A-T
• A-G

Which is the correct pairing?

• T-C
• G-T
• G-C

Adenine, Thymine, Guanine and Cytosine are what?

• Phosphates
• Sugars
• Nucleotides
• Bases

What kind of bond holds the two strands of DNA together?

• Hydrogen bonds
• Ionic bonds
• Polar bonds
• Covalent bonds

What sugar is found in DNA?

• Ribose
• Fructose
• Glucose
• Deoxyribose

What sugar is found in RNA?

• Ribose
• Fructose
• Glucose
• Deoxyribose

Which nucleic acid only exists in the nucleus?

• mRNA
• DNA
• tRNA
• rRNA