Details

Title: 10.4-10.5 DNA Replication

Description: Fischer

Total Flash Cards: 20

Created: 01/22/2009 18:22:28

New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE.

Existing Users: CLICK HERE.

Additional Biology Flashcards

Cards in this set:

Term
Semiconservative model
Definition
When DNA replicates the new DNA is half parent and half daughter DNA.
Term
Goal of DNA replication
Definition
To produce DNA for daughter cells
Term
When does DNA replicate?
Definition
S-phase
Term
5' has _______ on the end of it?
Definition
Phosphate
Term
3' has ________ on the end of it?
Definition
A hydroxyl
Term
In which direction does DNA replicate?
Definition
5' to 3'
Term
Strands of DNA are?
Definition
Anti-parallel
Term
What enzyme pulls apart DNA?
Definition
Helicase
Term
Where are bubbles likely to form in DNA?
Definition
Where there are many A-T pairs. (A-T pairs have only two hydrogen bonds and are easier to pull apart than G-C pairs which have three hydrogen bonds.)
Term
DNA polymerase
Definition
Joins nucleotides to open DNA strand
Term
What does DNA first do in DNA replication?
Definition
Flattens and unzips
Term
What enzyme adds bases to new DNA?
Definition
DNA polymerase
Term
What enzyme connects the Okazaki Fragments?
Definition
DNA ligase
Term
Okazaki Fragments
Definition
The pieces of new DNA on the lagging strand
Term
Strand the Okazaki Fragments are on
Definition
Lagging Strand
Term
Strand with continuous synthesis
Definition
Leading Strand
Term
Strand with discontinuous synthesis
Definition
Lagging Strand
Term
Benefits of DNA replication
Definition
Ensures all somatic cells have same DNA; Copies DNA for gametes
Term
Why is DNA so accurate?
Definition
DNA polymerase and DNA ligase proofread DNA and repair injured DNA
Term
Draw DNA replication.
Definition