Answer:
The correct answer will be- What is the effect of adding nutrients over community of plants in a particular ecosystem?
Explanation:
The scientific method is the sequential steps performed to answer the scientific questions based on the observations on the basis of experiments.
The scientific question is the question which has the real answers and can be verified and supported by the experiments and observations.
In the given question the person observed that the composition and structure of the habitat changed due to the addition of nutrients. So he framed a scientific question " What is the effect of adding nutrients over the community of plants in a particular ecosystem?
Answer: Osmosis
Definition: A process by which molecules of a solvent tend to pass through a semipermeable membrane from a <u>less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane.</u>
A phosphate group is a functional group that typically has a negative charge at the pH of the cell.
- Phosphate groups contain a negative charge at physiological cell pH.
- DNA nucleotides are composed of a phosphate group, thereby exhibiting a negative charge.
- The phosphate group is also fundamental in Adenosine triphosphate or ATP (the energy coin of the cell).
In conclusion, a phosphate group is a functional group that typically has a negative charge at the pH of the cell.
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The answer to your question is C
