Answers: 1
Biology, 22.06.2019 01:30, ayoismeisalex
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.
Answers: 1
Biology, 22.06.2019 02:00, ligittiger12806
Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form
Answers: 2
Biology, 22.06.2019 02:30, kaliloabousjbf
In the diagram below, the northern hemisphere would be in what season at position a a. fall b. winter c. summer d. spring
Answers: 1
Astatement is best to use when refining your hypothesis...
Biology, 06.02.2021 14:00
Chemistry, 06.02.2021 14:00
Mathematics, 06.02.2021 14:00
Health, 06.02.2021 14:00
Chemistry, 06.02.2021 14:00
Chemistry, 06.02.2021 14:00