I’m bad at biology so I don’t understand
Answer:
i think it would be A (aka the first answer)
Explanation:
im sorry if im wrong
They can harm other native species and thrive in the new environment which can potentially make the other species go extinct as the new species has no predators.
Answer:
It is difficult to obtain a final conclusion with this information, but it is possible that the sample doesn't contain living organisms whose genetic material is composed of DNA. Another possible reason for this result is that the DNA extraction protocol used in the experiment is not suitable for this sample.
Pepsinogen, a digestive enzyme ,is secreted by the chief cells in the gastric mucosa.