DNA: Structure, Function, and Replication

Which of the following is NOT a base found in DNA?

• Adenine
• Thymine
• Glycogen
• Cytosine

Which sequence of DNA bases would pair with this partial strand?
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

Adenine forms hydrogen bonds with which base?

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine forms hydrogen bonds with which base?

• Adenine
• Guanine
• Cytosine
• Thymine

Which enzyme unzips the DNA to prepare for replication?

• Helicase
• DNA Polymerase
• Ligase
• Primase

Which enzyme is responsible for adding nucleotides?

• Single-stranded binding proteins
• DNA Polymerase
• Ligase
• Primase

Which enzyme is responsible linking together newly created strands of DNA using the Okazaki fragments?

• Single-stranded binding proteins
• DNA Polymerase
• Ligase
• Primase

A process in which DNA makes an exact copy of itself is called...

• Replication
• Translation
• Transcription
• Copying

Nitrogenous bases are joined by which type of bond?

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

Tags

NGSS.HS-LS1-1

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of which base?

• Cytosine
• Guanine
• Thymine
• Uracil