Valid reasons for a cell to regulate gene expression include its ability (true or false)

1) Make additional cells of the same type as a response to a demand: False

2) Synthesize enzymes to metabolize a particular nutrient: True

3) Keep a gene product available under all conditions: True

4) Execute a specific program of development: True

5) Stop synthesis of a cellular component when there is enough available in the cell: True

6) Synthesize mRNA for every gene in the genome at all times: False

D.) domain, kingdom, phylum, class, order, family, genus then species