Answer:
D
Explanation:
Bohr determined that there are discrete (unique, different from one another) energy levels in the atom and that electrons will orbit the nucleus within these energy levels, known as orbitals.
Variation of trainers HELP species.
Answer:
Explanation:
bacteria with No Plasmid -----------------will grow ONLY in medium without ampicillin.
"nonrecombinant gene, recombinant plasmid with vgp gene,", recombinant plasmid but no vgp gene-----------------------will grow in both media".
it means Plasmid have ampicillin resistance gene. So if we use medium with ampicillin so it will allow the growth of only those bacterai which have transformed plasmid (containing amp resistance gene).
so having gene or not, recombinant or recombinant dosnt matter, all the other s will grow in both type of medium as far as plasmid is transformed in to it.
Solid water is less dense than liquid causing it to float while other substances are mainly more dense as solids.
Answer:
Without oxygen, life on Earth would not exist as we know it. It has provided the supercharged air that has fuelled an explosion in the diversity and size of all living organisms, from the smallest shrimp to the biggest dinosaur
