RNA: another nucleic acid

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Presentation transcript:

RNA: another nucleic acid

DNA

RNA RNA (ribonucleic acid): a nucleic acid (different from DNA) DNA cannot leave the nucleus, so the DNA instructions are copied to another type of nucleic acid, RNA

Structure of RNA Sugar, phosphate group, and a base 3 Differences to DNA DNA (deoxyribonucleic acid) RNA (ribonucleic acid) Double stranded Single stranded

Structure of RNA Sugar, phosphate group, and a base 3 Differences to DNA DNA (deoxyribonucleic acid) RNA (ribonucleic acid) Double stranded Single stranded Deoxyribose sugar Ribose sugar

Structure of RNA Sugar, phosphate group, and a base 3 Differences to DNA DNA (deoxyribonucleic acid) RNA (ribonucleic acid) Double stranded Single stranded Deoxyribose sugar Ribose sugar G, C, A, T G, C, A, U

Structure of RNA In RNA thymine is replaced by uracil (U). RNA is a disposable copy of DNA that can leave the nucleus

Types of RNA Types of RNA: most RNA molecules have one job – protein synthesis (amino acids come together to form a protein)

Types of RNA Types of RNA: most RNA molecules have one job – protein synthesis (amino acids come together to form a protein) mRNA (messenger RNA) is a messenger between the nucleus and the ribosome. codon: a 3 nucleotide sequence on mRNA that codes for a single amino acid

Types of RNA Types of RNA: most RNA molecules have one job – protein synthesis (amino acids come together to form a protein) tRNA (transfer RNA) transfers amino acids to the ribosomes to build proteins .

Types of RNA Types of RNA: most RNA molecules have one job – protein synthesis (amino acids come together to form a protein) rRNA (ribosomal RNA) forms part of the ribosome.

Types of RNA rRNA tRNA mRNA