Which one of the following accurately describes how human insulin
can be produced and used to treat diabetes?
a. take insulin from bacteria and place it in a human being, thus
enabling the human being to produce insulin.
b. take insulin genes from bacteria and place them in a human being,
thus enabling the human being to produce insulin.
c. take insulin genes from a human being and place them in bacteria.
use the insulin produced by the bacteria to treat diabetes.
d. take insulin from a human being and grow it in bacteria. use the
duod by the bacteria to treat diabetes.

Compare asexual reproduction to sexual reproduction

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.

Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.