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RNA: Structure and Function

RNA: Structure and Function. Biology. What is RNA?. R ibo n ucleic A cid “Decodes” instructions from DNA codes. Structure. Made of nucleotides Sugar (ribose) Phosphate group (phosphate + oxygen) Nitrogen base (A, U, C, G). Sounds a lot like DNA?. How it’s different: Sugar is ribose

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RNA: Structure and Function

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  1. RNA: Structure and Function Biology

  2. What is RNA? • Ribonucleic Acid • “Decodes” instructions from DNA codes

  3. Structure • Made of nucleotides • Sugar (ribose) • Phosphate group (phosphate + oxygen) • Nitrogen base (A, U, C, G)

  4. Sounds a lot like DNA? • How it’s different: • Sugar is ribose • Single stranded • Contains uracil instead of thymine

  5. 3 Types of RNA 1. Messenger RNA (mRNA) • Carry copies of instructions for assembling proteins

  6. 3 Types of RNA 2. Ribosomal RNA (rRNA) • Make up ribosomes, where proteins are assembled

  7. 3 Types of RNA 3. Transfer RNA (tRNA) • Transfers amino acid to the ribosome as coded by the mRNA

  8. Steps of Protein Synthesis • 1st Step • Transcription • DNA is transcribed to produce a molecule of mRNA • 2nd Step • Translation • tRNA is translated in to amino acids or proteins mRNA DNA transcription Protein translation

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