The answer should be the contraction of muscles.
Hope this helps mate.
Dna is being copied two time
The correct answer is they are produced by cyanobacteria.
Stromatolites are being produced by cyanobacteria.
Stromatolites are termed as layered mounds, which have columns and also sheet like rocks which are originally formed with growth of layers.
Lichen stromatolites is a type of stromatolite which is formed by layered structures rocks and they are formed above water.
<span> The substituted nucleotide has the same directions as the original nucleotide.</span>
