When digestive enzymes eat through part of the stomach lining, such as when helicobacter pylori is present in large numbers, they cause

What did the first language sound like

The body is protected against harmful flu viruses by

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z