Microorganisms

Question 1

Recombinant DNA

Answer 1

DNA that contains a gene that has been cut out from another species

Question 2

Restriction endonuclease (restriction enzyme)

Answer 2

Enzymes that cut DNA molecules at specific points

Different restriction enzymes cut
DNA at different points

They can be used to cut out specific genes from a molecule of DNA

Question 2

DNA ligases

Answer 2

Enzymes that join the cut ends of DNA molecules

Question 3

Microogranisms

Answer 3

• Living things that you can only see with the help of a microscope.
• Most are single cell
• Sometimes millions of cells are gathered together to form a colony.