تمارين أونلاين Biology unit2 ch2 less2 ||| Molecular Technology .

The formation of hybrid nucleic acids depends on………….

When some bacterial strains are infected with a virus, they produce ………

Which of the following statements describes (X) in the following figure correctly ?

Which of the following can break the covalent bonds in the sugar-phosphate backbone of the DNA molecule ?…………

A) Helicase enzyme.

B) Aqueous environment inside the cell.

C) Elevating the temperature up to 100⁰

D) Restriction enzymes.

Ligase enzyme has an important role in all the following, except ………..

The artificial nucleic acid that produced from mixing two or more strands that can’t be found together normally is ……………

The human hormones that are produced by genetic engineering………..