The answer is D. The presence of oncogenes
Oncogenes is a gene that has potential to cause Cancer. Once it appear on tumor cells, Oncogenes often mutated at a very high level. When the cells critical function altered, they usually undergo a rapid cell death. But once oncogenes activated, those malfunction cells will not undergo rapid cell death, filling our body with malfunctioning cells
Answer:
b. ex post facto or quasi-experimental.
Explanation:
An ex post facto search is done when a researcher cannot manipulate one of the variables such as sexual behavior or smoking (as described in the question), ie this type of research is done when it is not possible to manipulate the independent variables as they already arrive ready for research. Ex-post fact research deals with variables that are unmanipulated in nature. Quasi-experimental research can also be done for this same situation.
Answer:
42.
Food allergy is an immune system reaction that occurs soon after eating a certain food, Even a tiny amount of the allergy-causing food can trigger signs and symptoms, such as digestive problems, hives or swollen airways. And Food intolerance occurs when the body has a chemical reaction to eating a particular food or drink.
43.
1. Clean. Wash hands and surfaces often.
2. Seperate. Don’t cross-contaminate.
3. Chill. Refrigerate food promptly.
Explanation:
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