___________enzymes join the cut ends of DNA.

_____ are the enzymes which unwind DNA.

Name the enzyme that joins two strands of DNA.

Name two enzymes involved In the process of DNA replication, along with their properties.

Restriction enzymes are used to cut single-stranded DNA.

Which enzyme helps in the joining of DNA fragments ?

Name the enzyme in HIV that changes RNA into DNA.

Which of the following statements are correct ? (i) Restriction enzymes cut the strand of DNA a little away from the centre of the palindrome site, but between the same two bases on the opposite strands. (ii) Hind ll always cuts DNA molecules at a particular point by reconginisng a specific sequence of six base pairs. (iii) Separated DNA fragments cannot be visualised without staining on an agarose gel electrophoresis. (iv) 'Ori' is the sequence responsible for controlling the copy number. (v) DNA is a positively charged molecule.

Answer the following in one word only. The entire set of enzymes and protein factors involved in DNA replication is known as

Which enzyme joins DNA fragments ?