<h2>Answer:</h2>
A) classification of organisms
<h2>Explanation:</h2>
With the advancement of technology, many plants and animal were re-classified and reversed. For instance due to the advanced light microscope, which had high resolution and magnification, scientists were able to identify the structure of many organisms on a highly molecular level. Whitaker was a biologist who distinguished that fungi was separate from plants because fungi doesn’t have chlorophyll. Similarly there are so many evidences that resulted in the re-classification of organisms.
One of the primary functions of rna molecules is to function in the synthesis of proteins.
Different combinations of genes in the nucleus
The answer is accurate
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Explanation: Bacteria are needed in the nitrogen cycle because plants and animals cannot directly use atmospheric nitrogen. Bacteria in the roots of plants trap nitrogen and convert it to ammonia and other nitrogen compounds which plants can then use to make protein