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LuckyWell [14K]
2 years ago
11

What is the name of substance that the cells do not recognize in the body?

Biology
1 answer:
aivan3 [116]2 years ago
6 0

Answer:

“Non-self” materials have proteins and other substances on their surfaces that the body doesn't recognize, called antigens.

Explanation:

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What is the atomic number, number of neutrons, and the mass for a neutral oxygen atom?
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Answer:

Atomic Number: 8

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Explanation:

The answer for both the number of neutrons and atomic number is on the top

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3 years ago
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C the second picture

Explanation:

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