43)body cells may produce additional body cells by means of organisms that reproduce sexually produce gametes by means of the process of
a)
mitosis; meiosis
b)
meiosis; mitosis
c)
mitosis; conjugation
d)
meiosis; gametogenesis

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.

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet