Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.
Answer:
Cell Bacteria Virus
Explanation:
Assuming it means Eukaryotic cells, they are larger than bacteria. Viruses are smaller than bacteria.
Answer:
II. This type of RNA molecule transports amino acids from the cytoplasm to the ribosomes to build proteins.
The answer is four bonds because they can use one electron for each bond.
Hope that helped :)