1. State why jams still must be sealed even though bacteria will not grow in them? 2. How do acidic and alkaline environments affect the growth and survival of bacterial?

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

The united states uses which source of energy to produce almost 40 percent of its electricity

During dna replication,each strand of dna is used as a template to produce a complementary strand of dna. this process is shown below. which base will attach to location