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Serjik [45]
3 years ago
9

Label each example as either (PI) passive or (AI) active immunity:

Biology
1 answer:
Tatiana [17]3 years ago
7 0
First, let's distinguish active from passive immunity:
- Active immunity occurs in a direct exposure of individuals to live pathogens. The result is a development of a disease. After that, individuals acquire immunity to the disease.
- Passive immunity is induced by vaccines with antibodies for a disease, so the disease does not develop.

<span>a. ACTIVE IMMUNITY - Bill had a disease, so it must be active immunity.
</span>b. PASSIVE IMMUNITY - Bill got a vaccine and a disease did not develop, so it must be passive immunity.
c. <span>PASSIVE IMMUNITY - Although, 3-month-old daughter did not get a vaccine, she has mother's antibodies from the milk so she will not develop a disease.</span>
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The mutation of amino acid-coding nucleotides and the stabilization of novel variations in the population are the two phases required for protein evolution.

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scoray [572]

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