5. Indicate whether the following statements are true or false. ________________

Question

5. Indicate whether the following statements are true or false.

__________________ Mutations change the nucleotide sequence in DNA.

__________________ All mutations are caused by radiation.

__________________ Plasmids are usually small circular molecules made of amino acids

__________________ Plasmids can be transferred only between bacteria of the same species.

__________________ “Restriction enzymes” can cut DNA from different species, so that the DNA fragments can be joined in recombinant molecules in a process called DNA cloning.

__________________ Human insulin can be produced in bacteria with recombinant DNA technology.

Explanation / Answer

And1-true

Ans2-false, can also be coused spontaneously or by chemicals

Ans3-false, it is small circular DNA

Ans4- true

Ans5-true, after inserting gene of insulin in bacteria by recombinant DNA technology

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