I believe that Cell a is most likely in G1 phase.
The G1 phase, or the gap 1 phase, is the first of four phases of the cell cycle that takes place in eukaryotic cell division. In this part of interphase, the cell synthesizes mRNA and proteins in preparation for subsequent steps leading to mitosis. The phase ends when the cell moves into the S phase of interphase.
C) slate, a metamorphic rock
The answer is chemical energy
The enzyme responsible for facilitating hydrogen bonding between nucleotides in a new DNA molecule is Polymerase.
