Answers: 1
Biology, 22.06.2019 01:30
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 13:30
What is used as a template during replication? a- mrna b- trna c- rrna d- dna
Answers: 1
Biology, 22.06.2019 14:30
Alexa is preparing for a presentation by creating note cards identifying keywords that describe various features of each type of plate boundary. which words apply to all three of the convergent boundaries?
Answers: 2
Arain forest kingdom which arose in the niger delta...
Biology, 05.11.2020 23:30
World Languages, 05.11.2020 23:30
Mathematics, 05.11.2020 23:30
Arts, 05.11.2020 23:40
Mathematics, 05.11.2020 23:40
Mathematics, 05.11.2020 23:40
English, 05.11.2020 23:40