The reason why nost scientists thought that the first true cells formed on Earth were anaerobic is being shown in the second option :B. because there was no oxygen on early Earth. Paying attention to this fact scientists discovered that first cells were prokaryotes and greatest part of them created oxygen as a toxic by-product of their own metabolism which make them understand how the planet was provided with oxygen and made a conclusion that first cells were anaerobic.
The ribosomes build proteins.
About 65 days after planting
The Parents genes are what’s represented
Salcâmul ,,trăieşte,, în jur de 100 de ani.
Baftă!
