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.
What are the two ways in which piRNAs and PIWI proteins prevent the movement of transposable elements?
PIWI-interacting RNAs (piRNAs) are non-coding RNAs that are involved in the defense mechanism. They associate with a class of protein called as PIWI proteins to form complexes known as piRNA-induced silencing complex (piRISC). They are involved in silencing the RNA transcribed by transposable elements (TEs).
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