Answer:
The phosphorus cycle does not involve any gaseous P compounds(it circulates through water, earth's crust, & living organisms AND does not include the atmosphere) Identify EITHER one nitrogen compound OR one phosphorus compound that is considered a pollutant when released by human activity into the environment.
Explanation:
For the answer to the question above, I believe the answer to your question is <span>Insertions, but not deletions can change the codon reading frame.
Mutations can be useful to the organism. That is the most accurate among the given choices.</span>
revised: The correct options are:
-Mutagens and meiosis are two sources of mutation.
-A single-base insertion is usually more harmful than a single-base point mutation.
-Mutations can be useful to the organism.
The answer is DNA because genotype is the genes of an organism and genes = DNA.
Answer:
Histamine
Explanation:
Histamine works by binding to histamine receptors on the surface of cells.