So, if this is one strand of DNA, what will the other strand look like?
A T G C C G A T A

T A C G G C T A T

Explanation:

In deoxyribonucleic acid (DNA) there are 4 nitrogen bases that pair like:

• Adenine (A) with Thymine (T)

• Cytosine (C) with Guanine (G)

We are given the strand:

A T G C C G A T A

For each A, write a T. For a T, write an A.

For every C, write a G. For a C, write a G.

The corresponding strand is:

T A C G G C T A T

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you are certainly talking about this picture:

a: is the label of the white square, it is showing the  replication fork, formed by helicase (d) ==> so it is the site of dna separation and replication 

b: is a new dna brand that is following directly the replication fork, so it is continuous ==> built continuously from 5' to 3

c: dna polymerase cannot replicate dna on its own, it needs the of their proteins, and one of them plays the role of a clamp which fixes  the dna with the dna template and increases  the processivity of the enzyme. ==>   stops polymerase from falling off the  template.

d: is the enzyme responsible for forming the replication fork (helicase) ==> unwinds and separates dna into two strands

e: is the delayed strand, it is built  in the opposite sense of the helicase, so dna will be built in fragments ==> built  fragments from 5' to 3 joins

and finally f: is the enzyme that builds  the new dna strand (dna polymerase) ==>   adds nucleotides to make a new dna helix.

credit: gradman555p98x9p

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