Alfred has been in warm area your answer
Answer:
B. Use the polymerase chain reaction (PCR) to make multiple copies of the DNA.
Explanation:
The scientist is to analyze a small sample of DNA, the most useful step to start this would be first the use of polymerase chain reaction to make various copies of that DNA sample. PCR is essential and quick process that gives a lot of copies within few hours. It uses the sample or target DNA, according to which the primers are designed. Taq polymerase and DNA polymerase are also used in the process, it consist of various cycles in which copies are made. There are three basic steps 'Denaturation', 'annealing', and 'extension'.
I would say estuary, because that's where a fresh water river and an ocean meet, and that leads to a transition between salt to fresh water.
Answer:
it would not be protected.
Explanation:
I say this because without protection (cell wall) everything would go wrong in a plant cell or whatever got a cell wall.
