Biology, 07.03.2021 07:20 hlgerardip4wbhx
Proteins produced by the immune system to destroy substances containing antigens are called
A)
antibodies.
B)
antibiotics.
0
red blood cells.
D)
white blood cells.
Answers: 1
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Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic
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The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird
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Proteins produced by the immune system to destroy substances containing antigens are called
A)
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