CB4e

Question 1

what is a vector

Answer 1

any DNA molecule used to carry new DNA into another cell

Question 2

what useful substances does GM bacteria produce

Answer 2

insulin to treat type 1 diabetes

Question 3

what are restriction enzymes for

Answer 3

to cut out a useful gene out of an organisms DNA. this cutting leaves strands of DNA with jagged ends called sticky ends. if two sticky ends match they can be joined together using an enzyme called ligase