Answers: 2
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 07:00
Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass
Answers: 2
Biology, 22.06.2019 13:00
Jason puts an apple on top of an ice pack in his lunch bag lunch time the temperature of the apple has decreased what happens to the molecules in the apple when the temperature of the apple decreases
Answers: 1
Biology, 22.06.2019 16:30
As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline
Answers: 1
Alizard warms itself by lying on a warm rock. what is the main way thermal energy is transferred to...
History, 02.06.2020 05:57
French, 02.06.2020 05:57
Mathematics, 02.06.2020 05:57
Mathematics, 02.06.2020 05:57
Health, 02.06.2020 05:57
Mathematics, 02.06.2020 05:57
Mathematics, 02.06.2020 05:57
Mathematics, 02.06.2020 05:57
Mathematics, 02.06.2020 05:57
Mathematics, 02.06.2020 05:57
Engineering, 02.06.2020 05:57