6H2O+6CO2=C6H12O6+O2
there are six water and carbon dioxide molecules reacting to give glucose (C6H12O6) and oxygen (O2) note#except for the two sixes in front of carbon dioxide and water the other numbers are written in subscript(below the letters)
vestigial limbs
vestigial limbs are the remnants from the development of any one organism's ancestors.
Humans, for one example, have no real need for an appendix now that we are no longer herbivores.
Look at a x-ray image of certain snakes and you can see the structural remains of feet.
<span>A codon is a tree letter nucleotide sequence that represents
amino acids. A single amino acid can have more than one codon. The valine codon
can be one of the following: GTT, GTC, GTA, GTG. This is particularly useful
during the translation of mRNA into protein. </span>
