Biology, 28.02.2020 19:30 deandrehudson18
A student states, "It seems like helper T cells do a lot more than just 'help' the cellular immunity process". Which response listed below best conveys an aspect of the role of CD4 helper T cells in immunity?
a. Helper T cells are key to the hematopoiesis that produces all the components of the immune system.
b. Without helper T cells, the wrong antibiotics would end up being produced.
c. Without helper T cells, no antigens would be presented
d. Helper T cells play a major role in stimulating and regulating the whole process.
Answers: 2
Biology, 21.06.2019 15:40
Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later.when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )
Answers: 2
Biology, 22.06.2019 13:00
Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.
Answers: 3
Biology, 22.06.2019 14:00
As a result of these processes the single celled organism accomplishes
Answers: 1
A student states, "It seems like helper T cells do a lot more than just 'help' the cellular immunity...
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