Drag each of the following items into the corresponding boxes to indicate the protein structural level that is predominantly affected by the chemical interactions listed. Some items may be placed in more than one box. Reset Help Hydrogen bonds between polar groups in amino acid side chains Hydrophobic interactions between amino acid side chains lonic bonds between positively- charged and negatively-charged amino acid side chains Peptide bonds Hydrogen bonds between carbonyl oxygens and amino nitrogens within a polypeptide backbone Disulfide bonds Primary structure Seconday structure Tertiary structure Quaternary structure
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.
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