When you exercise, you produce carbon dioxide, since your body is doing more cellular respiration to make more ATP a. less
b. no
c. the same amount of
d. more

Which of the following is a common danger of commercial fishing?

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.

How does photosynthesis show the conservation of mass and energy?