DNA replication

what is this image?

nucleotide

What is the name of the item circled?

Phosphate group

What is the name of the item circled?

Deoxyribose sugar

What is the name of the item circled?

nitroguous base

what bases pair with each other?

Guanine and Cytosine, and Adenine and Thymine

which carbon is DNA built on?

3’

which one is the leading strand?

top

which one is the lagging strand

bottom

topoisomerase

“Tonya Harding” relaxes double helix

what is the blue arrow and what is its purpose

helicase, “wedge”, breaks DNA at hydrogen bonds between nitroguous bases

what are the purple dots and their purpose?

Single strand binding proteins which holds single strands apart, “Hold me back”

what is the green section called and purpose?

RNA primer, used to help polymerase indicate where to start building.

what is the section in orange and its purpose

DNA polymerase, an enzyme that makes polymers of DNA by finding the RNA primer and adding free nucleotides in the 5’ to 3’ direction

what is the RNA polymerase’s function

to place RNA primer

what are the steps of DNA replication?

first helicase, then the SSBP and topoisomerase to prevent reformation and supercoiling. Next, primase, after polymerase, and finally ligase.

what is ligase

the “glue” that holds DNA fragments(okazaki fragments) together

which nitrogenuous bases are purine(bigger molecule)?

Adenine and Guanine(Pure As Gold)

which nitrogenuous bases are pyrimidines(smaller molecule)

Cytosine, Thymine, and Uracil(CUT the PIE)