The best understanding of how mitochondria and chloroplasts arose is:.

You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]

What is the importantence of the carbon and nitretan cycles in the environment

Which blood cell spend most of their time in the lymphatic system?