X What is a characteristic of both an alpha-helix and a beta-pleated sheet? * 0/1 Both can be anti-parallel structures Both form interactions involving the oxygens of peptide bonds Both are found only within multimeric proteins Both are denatured when heat breaks peptide bonds Correct answer Both form interactions involving the oxygens of 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.
Regarding the last answer choice, how come both alpha helices and beta sheets aren't denatured when the heat breaks peptide bonds? If heat were to break peptide bonds, wouldn't that affect the primary structure which inevitably affects the more complicated structures?
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