3 years ago

What thing in ourbody decides the entry of foreign particle

Biology

1 answer:

Pachacha [2.7K]3 years ago

8 0

Receptors on the plasma membrane either recognize a particle as acceptable or foreign.

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Answer:

See the answer below

Explanation:

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Chi-square = $\frac{(O - E)^2}{E}$ where O = observed frequency and E = expected frequency.