How many different kinds of proteins does one cell have?

How are gene and protein sequences used to classify organisms?

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt