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RNA, Transcription, Translation

RNA, Transcription, Translation. How is RNA different from DNA. RNA= Ribonucleic acid vs deoxyribonucleic acid sugars= ribose vs deoxyribose. How is RNA different from DNA. RNA= single stranded vs double stranded helix 4 bases AUGC vs ATGC. Forms of RNA. messenger RNA (mRNA)

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RNA, Transcription, Translation

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  1. RNA, Transcription, Translation

  2. How is RNA different from DNA • RNA= Ribonucleic acid vs deoxyribonucleic acid • sugars= ribose vs deoxyribose

  3. How is RNA different from DNA • RNA= single stranded vs double stranded helix • 4 bases AUGC vs ATGC

  4. Forms of RNA • messenger RNA (mRNA) • carries instructions for protein synthesis from nucleus cytoplasm

  5. Forms of RNA • Ribosomal RNA (rRNA) • along with proteins make up ribosomes • the site of protein synthesis

  6. Forms of RNA • Transfer RNA (tRNA) • reads code in mRNA • transfers new amino acids onto growing polypeptide chain according to instructions in mRNA

  7. Transcription (DNA RNA) • Process by which DNA is copied into mRNA • Carried out by RNA polymerase vs. DNA polymerase • occurs in the nucleus

  8. Genetic code • language of instruction is DNA/RNA • 4 letters code ( either ATGC or AUGC) • Codes for 20 different amino acids • order of code specifies identify and order of a.a. • Each gene codes for a different protiens

  9. Codons • a group of 3 nucleotides in mRNA that codes for a specific a.a.

  10. Translation (mRNA protein) • nucleotides in mRNA are decoded into a polypeptide • occurs in cytoplasm

  11. Translation (mRNA protein)

  12. Translation (mRNA protein)

  13. Translation (mRNA protein)

  14. The importance of protein • key to almost everything living cells do • how cells maintain shape, move, communicate • responsible for all our traits

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