What are the roles of sigma factor, rho factor, and an intrinsic terminator in transcription in prokaryotes?
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 roles of sigma factor, rho factor, and an intrinsic terminator in transcription in prokaryotes?
Introduction:
Transcription is the synthesis of single-stranded messenger RNA (mRNA) from the double-stranded DNA base and the enzyme RNA polymerase is required for this reaction to occur. The process involves three important steps:
a. Initiation: The enzyme RNA polymerase attaches to the DNA region which is called the promoter and the synthesis starts from here.
b. Elongation: The RNA which is formed newly starts to grow.
c. Termination: The enzyme RNA polymerase reaches the terminator DNA and gets detached from the newly formed RNA transcript and the double-stranded DNA.
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