Biology, 08.10.2019 00:10 juansantos7b
Some viral diseases are dangerous only when a person is infected for the first time; subsequent infections produce only mild symptoms or go entirely unnoticed. this pattern can be explained by the action of
a. memory cells that trigger a secondary immune response
b. specific antibodies that remain concentrated in the bloodstream for life after the first infection event
c. memory cells that trigger a primary immune response
d. t cells that trigger a primary immune response
Answers: 2
Biology, 21.06.2019 21:00
Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+
Answers: 1
Biology, 22.06.2019 07:30
Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.
Answers: 2
Some viral diseases are dangerous only when a person is infected for the first time; subsequent inf...
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