Examlex
Virus infected cells secrete interferons to "warn" other cells of the presence of virus and deny entry to them.
Tentative Explanation
Tentative explanation refers to a provisional theory or hypothesis proposed to interpret or solve a problem, subject to further investigation and testing.
Hypothesis
A proposed explanation for a phenomenon, often used as a basis for further investigation.
Metric System
is an international system of measurement based on the meter, kilogram, and second, among other units, used for scientific and everyday measurements.
Gram
A metric unit of mass equal to one thousandth of a kilogram.
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