Nitrogen is a growth-limiting nutrient because cells need it to manufacture : Proteins and nucleotides
Growth-limiting nutrient is very essential since bio process design criteria in pure culture is mainly centered around it
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Telophase because the chromosomes reach poles and new nuclear membranes form around the chromosomes, creating the nuclei for two new cells. The chromosomes decondense and the cell splits into two daughter cells, each with a nucleus.
Answer:
When the division of single cell occurs, two cells are formed and when again these two cells are pass through division process, it becomes 4 cells and so on. So according to the definition of multicellular organisms, those organism which contains more than one cell is known as multicellular organism. So we can say that every multicellular organism is made of a single cell.