Answer:
The nucleus at the central part of the cheek cell contains DNA. When a drop of methylene blue is introduced, the nucleus is stained, which makes it stand out and be clearly seen under the microscope.
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<em>During dna replication, the enzyme dna polymerase adds new nucleotides to the </em><em>3</em><em>'</em><em> end of the sugar in the growing strand</em>
A person will not pass this mutation onto children because somatic cells cannot go through meiosis if a chromosome in one of the bone cells turn out to be mutated. A somatic cell is any cell that creates up an organism excluding reproductive cell. Which is for example the cells that create up the skin are all somatic cells and definite cells in a living organism support in reproduction, dividing or fusing through the reproductive procedure.
The use of alcohol by the operator can have an effect in operational safety of the vessel and that would include the crew as well as the passengers. Hope this is the right answer and would be of big help.