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What does DNA stand for?
Deoxyribonucleic acid
What is a pokaryote?
Organisms that contain circular DNA. They often don't have a nuclear membrane
What is a eukaryote?
An organism that contain linear chromosomes (Like us) and they are contained in the nucleus that has a membrane
What type of bond is between base pairs of DNA?
Weak hydrogen bonds
What type of bond is in the sugar-phosphate backbone?
Strong covalent bonds
What is the structure of DNA?
It's a double stranded helix with antiparallel strands
What does it mean by semi-conservitive DNA?
It means that half of new DNA comes from old DNA.
What are the 5 things required for DNA replication?
•DNA template
•nucleotides
•energy supply
•enzymes
•primers
What are the enzymes required for DNA replication and what are their functions?
•ligase - to join up okazaki fragments
•DNA polymerase - to pair up nucleotides
•helicase - to unwind DNA and hold replication fork open
What is the leading strand of DNA?
It is in the 5 prime 3 prime direction and works continuously replicating DNA
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