The central idea is the same as the main idea. Most of the time, the main idea is mentioned in the Title. Without reading the essay, I do not know what the central/main idea is.
Citing a source means to give credit to the source that you got your information
Ya when i was in elementry i used to do it and it always messed me over
Nucleic acids contain DNA and RNA that has genetic information while carbohydrates are a important source of energy.
<h3>What is nucleic acid?</h3>
It should be noted that nucleic acids are important biomolecules that are used in cells and the storage of genetic information.
In this case, nucleic acids contain DNA and RNA that has genetic information while carbohydrates are a important source of energy.
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