protein? 15. Which of the following describes the quaternary structure of a a. the structure resulting from hydrogen bonding between the electronegative nitrogen and oxygen atoms and the partially positive hydrogen atoms b. the shape resulting from the union of more than one polypeptide chain c. the structure resulting from the bonding interactions between the side groups of the amino acids d. the sequence of amino acids linked together with peptide bonds
Proteins
We generally tend to think of proteins only from a dietary lens, as a component of what we eat. However, they are among the most important and abundant organic macromolecules in the human body, with diverse structures and functions. Every cell contains thousands and thousands of proteins, each with specific functions. Some help in the formation of cellular membrane or walls, some help the cell to move, others act as messages or signals and flow seamlessly from one cell to another, carrying information.
Protein Expression
The method by which living organisms synthesize proteins and further modify and regulate them is called protein expression. Protein expression plays a significant role in several types of research and is highly utilized in molecular biology, biochemistry, and protein research laboratories.
Th correct answer is option (a).
The quaternary structure of a protein is determined by the structure resulting from hydrogen bonding between the electronegative nitrogen and oxygen atoms and the partially positive hydrogen atoms. The quaternary structure of protein is formed by associating several protein chains into a closely packed arrangement; formed by combining tertiary structure of protein, which in turn is made of secondary and primary structures.
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