Answer :
According to question, they are using molecular level analysis .
A technique used in laboratories to examine a sample of tissue, blood, or another bodily fluid for specific genes, proteins, or other molecules that could be indicators of a condition or illness, like cancer.
When a scientist investigates something at the molecular level, she is closely examining its cells. The most frequent uses of the adjective "molecular" are in biology and chemistry, and it always refers to the tiniest components of living things or elements.
When a scientist investigates something at the molecular level, she is closely examining its cells. The most frequent uses of the adjective "molecular" are in biology and chemistry .
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