Complete the sentences:
Nucleotides join together to form _______________. The nucleotides join up between the ___________ group of one nucleotide and the ________ of another. This forms a __________________ ________ (consisting of the phosphate group and two ester bonds). The chain of sugars and phosphates is known as the __________ - ____________ ______________

What is the structure of DNA?

Outline the method of purifying DNA

In DNA purification, why is the DNA-detergent mixture put into a warm water bath?

In DNA purification, why is salt in the mixture?

In DNA purification, what is the role of protease?

Complete the sentences:
The enzyme __________ unzips the DNA strands by breaking the __________ bonds between the _______

Complete the sentences:
At the _________ strand, the ________________ nucleotides (free nucleotides) are attached to the __________ strand (in a 5’ to 3’ direction) continuously

Complete the sentences:
At the ________ strand, fragments of nucleotides (_________ fragments) are added _____________ (5’ to 3’). This is because the DNA is being constantly ________ , the phosphorylated ____________ have to keep back-tracking up the strand when the nucleotides are added in the 5’ to 3’ direction.

Complete the sentences:
DNA ____________ catalyses the addition of new ____________ bases

Complete the sentences:
_________ eventually joins up the okazaki fragments at the _______ strand

Complete the sentences:
Two DNA molecules now exist, with one of the 2 strands of each molecule being the original (__________) DNA. This is ______-_______________replication.