Question

Polymerase chain reaction (PCR):
Answer

is a relatively simple and is a fast way of copying very small amounts of DNA

was developed during the 1980s

resulted in its discoverer sharing a Nobel Prize

all of these

Answer 1

all of these?

Answer 2

Yep, I think so.

Answer 3

Yes, I know for sure that it was developed in the 1980s, and the person was awarded the Nobel Prize.

Answer 4

Hmmm....all of the above

Answer 5

ok thnx!