DNA Function Chp. 10 Biology

RNA- (ribonucleic acid) RNA- (ribonucleic acid) – Plays several roles in the manufacture of proteins – Made of nucleotides – Nitrogenous bases A, U, C, and G A gene is a long section of a DNA molecule whose sequence of building blocks specifies the sequence of amino acids in a particular protein. A gene is a long section of a DNA molecule whose sequence of building blocks specifies the sequence of amino acids in a particular protein. Protein- fundamental component of living cells Protein- fundamental component of living cells  Enzymes  Hormones  Antibodies  Hemoglobin  Insulin Background Vocab

How does DNA work DNA (nucleic acid)  RNA  DNA (nucleic acid)  RNA  Amino Acids – building blocks of Proteins  Amino Acids – building blocks of Proteins  Protein  Do a job (perform a function) Protein  Do a job (perform a function) Analogy to remember what’s going on, build a house Analogy to remember what’s going on, build a house – DNA is the blue prints (instructions) – Amino Acids are the lumber – Proteins are the house…

How are genes Expressed? Protein Synthesis from DNA- Chp. 10

Transcription vs. Translation Transcription in the nucleusTranscription in the nucleus –Make mRNA from DNA –DNA  mRNA Translation in the cytoplasmTranslation in the cytoplasm –Make Proteins at the ribosome –mRNA  proteins –“translate a language” nucleic acid  amino acidnucleic acid  amino acid

Transcription Translation Translating nucleic acid language to amino acid language ? ?

Link to Good VideoGood Video “Wikipedia. Is the best thing ever. Anyone, in the world, can write anything they want about any subject. So you know you are getting the best possible information.” Who said this?

1.__________

Quiz time! 1.Picture? 2.A? 3.B? 4.C? 5.D? 6.E? 7.F? 8.G? 1.Translation 2.A- Amino Acid 3.B- tRNA 4.C- Anticodon 5.D- Codon 6.E- mRNA 7.F- Ribosome (rRNA) 8.G- Polypeptide Chain or protein G

Quiz time! 1a __ b.