Three of the four main stages of the cell cycle occur during which phase of mitosis? A. Prophase
B. Interphase
C. Anaphase
D. Telophase

What was the land like over 500 million years ago? what was under the sea?

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.

Two critical interventions to turn around the opioid crises are: