Which definition correctly describes a haploid cell during meiosis? a cell that has double the number of chromosomes as the parent cell
a cell that has two complete sets of chromosomes
a cell that has half the number of chromosomes as the daughter cell
a cell that has one complete set of chromosomes

Apatient is in need of hydration. which type of solution are the patient's cells most likely in?

How do you date a sample of rock that you suspect as being one of the earliest on earth

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.