At which stage does cell differentiation start

The symptoms that shelly is experiencing result from the interactions between streptococcus pyogenes (a prokaryote) and the cells (eukaryotes) within shelley's body. although there are similarities between these two types of cells, there are also important differences.

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

What is the relationship between absorbance of light and the rate of photosynthesis?