Name one bad thing that could happen to a cell if it could not perform exocytosis

The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.

What is the name for a substance formed in a chemical reaction

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins