Answer:
Test a known bloodstain as a positive control and a blank (filter paper) as a negative control (see interpretation of results to determine a positive and negative result).
Answer:
My quarry is rather less benign. They are very common, entirely benign and harmless. His kind of Anglicanism is benign and pretty harmless. The benign economic conditions now prevailing in the world could not last, he said.
Explanation:
Answer:
D. carbon dioxide
Explanation:
Plants need CARBON DIOXIDE and water to produce oxygen and glucose.
Oncogenes result from turning on, or activating proto oncogenes. Proto oncogenes are genes that code for positive cell cycle regulators, so proto oncogenes code for proteins that turn on cell division. Proto oncogenes are normal genes, but when they are mutated, they become oncogenes. Oncogenes are expressed too much, which makes them turn on cell division too much, which is cancer.