The smallest and most exclusive grouping category is species.
This maps says world old geography condition.first stage of Earth continent
During transcription, the new mRNA is created from a single strand of a DNA template. As it elongates, it then peels away from template.
<span>If I were attempting to date a rock sample that I suspect to be incredibly old, i would use radioactive isotopes with a long half life. When dating rocks and fossils to discover approximately how old they are, radioisotope dating is used on igneous rocks found near fossils. Things like Uranium 235, which is an unstable radioactive isotope of elements, decays at a constant rate over time so can be useful in determining age.</span>
Answer:
adenine is the correct answer for first