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The work of a cell is carried out by the many different types of molecules it assembles. Most of these
molecules are proteins. Explain how the cell is able to make the many different proteins it needs.
In your answer, be sure to:
• identify where in the cell the information necessary to construct a particular protein is located and
the specific molecule that contains this information [1]
• identify both the cellular structure that assembles these proteins and the kinds of molecules that are
used as the building blocks of the proteins

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taskmasters

The best answer is found in Eukaryotic cells. These cells have a distinct nucleus. DNA in the nucleus  contain genes that code for numerous proteins that the cell need to live and function normally.

When the cell needs a particular protein, information for that protein is copied (transcribed) onto messenger RNA (or mRNA in short) in the nucleus.  mRNA  then leaves the nucleus and enters the cytoplasm where it attaches to a ribosome, the organelle responsible for making protein.

Transfer RNA or tRNA  begins to read (translate) the information on the attached mRNA.  It then fetches amino acids that correspond to the translated information  from the pool of free amino acids in the cytoplasm, brings them to the ribosome where they are linked together to form a chain. This chain of amino acids is the primary structure of (the specified) protein

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