Chapter 8.3 Flashcards
What does each body cell get?
A complete set of identical DNA.
When is DNA replicated?
During the the S (synthesis) stage of the cell cycle.
What does the actual work of replication?
Enzymes and other proteins.
Replication occurs….
Fast and Accurate
What carries out the process of replication?
Proteins
What does a single strand of DNA serve as?
A template for a new strand.
DNA serves ONLY as a…
template
What forms hydrogen bonds with the template strands?
Free Floating Nucleotides
What occurs is DNA polymerase?
Enzymes bond the nucleotides together to form the double helix.
What forms covalent bonds between nucleotides in the new strands?
Polymerase Enzymes
DNA replication is considered to be…
Semiconservative
When does DNA replication start?
At many points in eukaryotic chromosomes.
What can DNA polymerases do?
find and correct errors.
How many new DNA molecules are formed, and what does each contain?
2 new DNA molecules
Each contains and original strand and a newly formed strand.
DNA Helicase is occurring when…
Enzymes unzip the double helix
What does DNA replication do?
It copies the genetic information of a cell.