Answer:
Polymerase
Explanation:
The enzyme joins nucleotides to synthesize a new two strand of Dna
Answer:
Adenosine
Explanation:
Adenosine is the most abundant energy carrier molecule in cells.
Answer: No
Explanation: Cells survive in different ways, A cell from your brain could not survive in a Petri dish for very long. It doesn't have the right pieces to live on its own.