[PLATO] Complete the sentences using the correct term. 1. is a means to artificially improve or modify existing plants and animals. It uses scientific processes to make changes to the genetic material 2.

1. a. Plant biology
b. Plant bioscience
c. Plant biotechnology

2. a. enzymes
b. deoxyribonucleic acid (DNA)
c. green fluorescent protein (GFP)

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Competition occurs between species when

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.