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6 ημέρες πριν · RNA, complex compound of high molecular weight that functions in cellular protein synthesis and replaces DNA as a carrier of genetic codes in some viruses. RNA consists of ribose nucleotides and the nitrogenous bases adenine, guanine, cytosine, and uracil.
What does RNA do? RNA carries biological information. DNA's function is to store information in the genome - the book of life, or instruction manual for creating an organism. RNA, on the other hand, plays various roles that influence how genes (DNA's instructions) are read, which determines characteristics like observable features and physiology.
21 Απρ 2024 · Describe the similarities and differences between RNA and DNA; Describe the functions of the three main types of RNA used in protein synthesis; Explain how RNA can serve as hereditary information
Some RNA molecules play an active role within cells by catalyzing biological reactions, controlling gene expression, or sensing and communicating responses to cellular signals. One of these active processes is protein synthesis, a universal function in which RNA molecules direct the synthesis of proteins on ribosomes.
The central dogma of molecular biology suggests that the primary role of RNA is to convert the information stored in DNA into proteins. In reality, there is much more to the RNA...
24 Μαΐ 2024 · When the mRNAs enter cells in the body, the cells use the mRNAs to produce virus proteins and display them to the immune system. This teaches the immune system to recognize the virus, promoting a strong response if the immune system encounters the virus, protecting the person in the future.
29 Ιουλ 2023 · Besides the most important function of RNA to make proteins, other critical cellular functions include modifying and restructuring other RNAs and regulating gene expressions during growth and development, and changing cellular environments. Some RNAs also function as catalytic RNA to drive biochemical reactions; hence they are termed ribozymes.
