In the last phase of the virus reproduction cycle, once a cell is
full of viruses created by
hereditary material, what
happens to the viruses?
A. They burst out of the cell to go infect other
healthy cells.
B. They all self-destruct.
C. They place a tracker inside the cell.
D. They all become living cells.

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

What is turgor pressure, what causes it, and what does it do for a plant?

What do nitrifying bacteria convert