8th Gr Bio- DNA Replication & RNA Synthesis

The enzyme that unzips the DNA structure so that replication may begin

• ligase

• hydrogen bonds

• helicase

• nuclease

Which enzyme is responsible for adding nucleotides to the growing DNA strand during replication?

• helicase

• DNA polymerase

• primase

• topoisomerase

Which enzyme synthesizes the RNA primer needed for DNA replication?

• primase

• nuclease

• helicase

• ligase

Helicase is an example of a biomolecule that can destroy bonds between DNA strands during DNA replication.

What biomolecule is helicase?

• Carbohydrate

• Lipid

• Protein

• Nucleic Acid

What are the key enzymes involved in DNA replication and what are their functions?

• Protein helicase, Protein polymerase, and Protein ligase

• ATPase, GTPase, and UTPase

• DNA helicase, DNA polymerase, and DNA ligase

• RNA helicase, RNA polymerase, and RNA ligase

Which enzyme involved in DNA replication is the builder.

• Primase

• DNA Polymerase

• Helicase

• Ligase

What are the 5 nitrogen bases?

• adenine, thymine, cytoplasm, guanine, and uracil

• adenine, thymine, cytosine, guanine, and uracil

• adenine, thymine, cytosine, glycerol, and uracil

• adenine, thymine, cytosine, glucose, and uracil

When the DNA strands begin to separate they form this- where replication begins

• An X shape

• Okazaki fragment

• ladder shape

• replication fork

DNA is made in the 5' to 3' direction

• true

• false

What are the two terms for the DNA strands once the process of replication begins

• smaller and larger

• larger and lagging

• leading and following

• leading and lagging