Was bacteria the first living cell to evolve on earth?

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

What is the compliment dna strand to the following sequence: ttgactaggcta

Amino acids with hydrophobic r groups are most often found buried in the interior of folded proteins.true or false.