Answer:
They differ in their structure and function. mRNA has a linear structure and carries genetic information copied from DNA. tRNA has an L shaped 3D structure. It is specific to each amino acid and carries an amino acid to the growing chain of a polypeptide during the translation process.
Explanation:
Through the process of selective breeding. breeders take cats with certain traits and breed them so their offspring will have the desired traits
<span>The internal structue and phylogenetic relationships were not considered in early taxonomic classifications. Early classifications were mostly based on morphological characters like height, shape, color etc. The organisms have evolutionary relationships which were also not considered in earlier classifications.</span>
For giving you understanding ; we need Free O2 but Oxygen is also available in H20 right why dont we use it !!
As the early atmosphere was reducing as there was no free oxygen but it was later produced by chemoautotrophic bacteria !! Living thing release O2 in atmosphere thus making it oxidising in nature and then life evolves !!