When you get a vaccine it injects a controlled amount of the illness into you, so the immune system can build up an immunity. The memory cells come into play when the illness comes back.
Then she is gonna suffer later
Answer:
<em><u>No</u></em>
Explanation:
A person with a speech-related disorder can know what to say, they just have trouble saying it. It has nothing to do with their knowledge, so they wouldn't be less intelligent just because of their disorder.
Answer:
Examples include silent point mutations. They are neutral because they do not change the amino acids in the proteins they encode.
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