Hehe im failing biology.again
ya gorl done with life rn
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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.
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Biology, 22.06.2019 04:30
Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?
Answers: 3
Biology, 22.06.2019 04:30
Which would be the most useful source of evidence to support mcneill's contention?
Answers: 3
Biology, 22.06.2019 09:40
80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?
Answers: 1
Mathematics, 01.07.2019 13:10
Mathematics, 01.07.2019 13:10
Mathematics, 01.07.2019 13:10
Chemistry, 01.07.2019 13:10
Mathematics, 01.07.2019 13:10
Social Studies, 01.07.2019 13:10
Mathematics, 01.07.2019 13:10
Mathematics, 01.07.2019 13:10
History, 01.07.2019 13:10
Health, 01.07.2019 13:10
Chemistry, 01.07.2019 13:10
History, 01.07.2019 13:10