The base composition of an RNA molecule that is 104 (10,000) nucleotides long is 50% A, 20% C, 20% G, and 10% U. If these bases are arranged in random order, the sequence 5'-AGU-3' is expected to occur __ times. a) less than 20 b) between 20 and 40 c) between 40 and 60 O d) between 60 and 80 e) between 80 and 120 f) more than 120
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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