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Despite their diversity, cells resemble each other to a remarkable degree in their chemistry. For example, the same twenty amino acids are used to make proteins. The 20 amino acids are identical to one another, except for the nature of their The amino acids that make up a protein are held together by bonds. Protein structure can be defined at 4 levels. and Within a cell, a newly synthesized protein generally folds up into a stable conformation. The final folded conformation adopted by a protein is that of energy All the information required to determine a protein's conformation is contained in the of its amino acids In all cells, the genetic information that encodes each protein is stored in the cell's In eukaryotes, this information is contained in a defined organelle called When the cell needs to make a certain protein, it employs a series of processes, collectively called In essence, the genetic information is into mRNA, which is then processed. The processed mRNA is then by organelles called to yield a protein

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Final answer:

Proteins are composed of amino acids and have a unique three-dimensional structure. The genetic information for proteins is stored in a cell's DNA and is transcribed into mRNA. This mRNA is then translated into a protein by ribosomes.

Step-by-step explanation:

Proteins are essential macromolecules that play a variety of roles in cells. They are composed of amino acids, which are linked together to form polypeptide chains. Each protein has its own unique amino acid composition and sequence, which determine its three-dimensional structure. Proteins can fold into a stable conformation, which is important for their function. The genetic information that encodes each protein is stored in a cell's DNA, which is found in the nucleus of eukaryotic cells. When a cell needs to make a specific protein, it undergoes a series of processes known as gene expression, which involves the synthesis of mRNA and the subsequent translation of mRNA into a protein by organelles called ribosomes.

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