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How does quantitative PCR differ from nonquantitative PCR?
Vaccines
Biological preparations that provide immunity to specific diseases.
Immune System
The body's defense mechanism against pathogens, comprising various cells, tissues, and organs that work together to protect the body from diseases.
Stress
The physical or emotional response to external pressures or challenges, which can affect individuals differently.
Longevity
The length of time that an individual lives or a thing lasts.
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