What is one role that lipids play in the body?
a: they make up the contracting structures of muscles.
b: they make up structural parts of cell membranes.
c: they provide a quick source of energy for cells.
d: they store coded information about heredity.

Why do german shepherds shed so much

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

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.