Biology, 04.07.2019 00:30 XxDonaldTrumpxX452
Drag each tile to the correct box. the flu vaccine activates adaptive immunity. how does this occur? antibodies are quickly produced and allow the body to fight off the infection. antibodies are produced, which bind to the weakened flu virus and signal immune cells to destroy it. a vaccine introduces a weakened flu virus into the body. the immune system identifies antigens on the weakened flu virus. the actual flu virus enters the body, and lymphocytes recognize the antigens. ↓ ↓ ↓ ↓'
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Biology, 22.06.2019 21:00
An adult inhales about 6.0×10−4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0×105 paand the air is at a temperature of 300 k. how many oxygen molecules are in each breath? a. 1.4x10^23 b. 2.9x10^21 c. 4.9x10^-4 d. 2.9 x10^25
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Biology, 22.06.2019 23:00
Atype of organism that no longer exist on earth is said to be
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Biology, 22.06.2019 23:30
One drawback of dams is that they can flood land upstream from the dam and reduce water flow downstream from the dam. a. true b. false
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Biology, 23.06.2019 00:00
The largest unit within which gene flow can readily occur is a
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Drag each tile to the correct box. the flu vaccine activates adaptive immunity. how does this occur?...
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