Proteins Protein Synthesis

Sep 13, 2012

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Proteins Protein Synthesis

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1. Proteins & Protein Synthesis Section 2.2

Protein Synthesis

Protein Synthesis. The DNA Code. The order of bases along the DNA strand codes for the order in which amino acids are chemically joined together to form a polypeptide. Protein synthesis involves two types of nucleic acids: DNA (deoxyribonucleic acid) RNA (ribonucleic acid). RNA.

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Protein Synthesis

Protein Synthesis. DNA Review. Th nucleotide bases will point to the inside of the DNA molecule while the outside (backbone) of the DNA molecule will be made of the sugar and phosphate molecules When complete the DNA molecule forms a double helix (two spiral sides wrapped together).

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Protein Synthesis (to make proteins)

Protein Synthesis (to make proteins). What is Protein Synthesis?. Flow of Genetic Information: DNA RNA Protein DNA holds the code for protein synthesis but cannot leave the nucleus. Protein Synthesis is performed at the ribosomes in the cytoplasm

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Protein Synthesis (Gene Expression) Notes Proteins (Review)

Protein Synthesis (Gene Expression) Notes Proteins (Review) Proteins make up all living materials. Proteins are composed of amino acids – there are 20 different amino acids Different proteins are made by combining these 20 amino acids in different combinations.

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Protein Synthesis

Protein Synthesis. 3 major processes: Replication → DNA copied to form 2 new DNA molecules Nucleus Transcription → DNA info copied to RNA Nucleus Translation → building a protein according to RNA instructions Cytoplasm. DNA Replication. DNA Replication.

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Protein Synthesis

Protein Synthesis. Transcription and Translation. Transcription. Begins at the start codon “ATG” and stops with “TAA”,”TAG”, or “TGA” mRNA binds with the bases to form the mRNA code. mRNA. Known as messenger RNA RNA stands for Ribosenucleic acid (ribose sugar)

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PROTEIN SYNTHESIS

PROTEIN SYNTHESIS. RNA (RIBONUCLEIC ACID) Nucleic acid involved in the synthesis of proteins. RNA STRUCTURE Composed of nucleotides, but differs from DNA in three ways. Single strand of nucleotides instead of double stranded Has uracil instead of thymine

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Protein Synthesis Making Proteins

Protein Synthesis Making Proteins. Bodies  Cells  DNA. Bodies are made up of cells All cells run on a set of instructions spelled out in DNA. DNA  Cells  Bodies. How does DNA code for cells & bodies? how are cells and bodies made from the instructions in DNA.

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Protein Synthesis

Protein Synthesis. Help! I broke a nail!. What are nails made of? A protein called keratin How does your body make a new nail to replace the one that broke off? The body needs to make more keratin ( Keratin is a protein. Remember: If it ends in “in” it is a prote in)

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Protein Synthesis

Protein Synthesis. Honors Biology (grab a textbook). Protein Synthesis. Sometimes proteins need to be made but DNA is trapped inside nucleus How does the “ code” for making proteins get out ?. DNA ---> RNA---> Protein.

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Protein Synthesis

Protein Synthesis. Transcription and Translation . AP Biology Unit 2. Flow of Genetic Information. All living organisms use DNA to synthesize RNA to make proteins Same two-step process: Transcription  Translation Some antibiotics inhibit protein synthesis in bacteria.

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Protein Synthesis

Protein Synthesis. Unit Objectives (Chapter 12-3). By the end of this unit you will: know what transcription is know what translation is understand how proteins are made. Transcription. Transcribing or copying the coded message of DNA onto a single stranded nucleic acid called mRNA

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Protein Synthesis – Turning genes into proteins

Protein Synthesis – Turning genes into proteins. Gene— DNA segment that codes for one polypeptide 2 steps of protein (polypeptide) synthesis: 1. Transcription – genes ‘transcribed’ from DNA to messenger RNA (mRNA)

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Protein Synthesis

Protein Synthesis. Translation. The Big Picture. DNA (genes) information copied to make  mRNA (transcription) Information in mRNA sequence used to put together  Chain of amino acids(protein) Proteins determine physical traits of organism. Translation: Why.

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Protein Synthesis

Protein Synthesis. Important Terms:. Gene-segment of DNA DNA-blueprint for protein synthesis; information is “encoded”; 3 letters = 1 amino acid Protein-manufactures in the ribosome and major building material for cells RNA-single stranded; sugar is ribose; has uracil. 3 Types of RNA:.

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Protein Synthesis

Protein Synthesis. Biology 12. Protein Synthesis. Think of a cell as a miniature factory that makes, among other things, all the different kinds of proteins that organisms need. Ex. Structural Enzymes Hormones Antibodies. Protein Synthesis.

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Protein Synthesis: Creating proteins from DNA

Protein Synthesis: Creating proteins from DNA. Review. DNA is located in the nucleus of eukaryotic cells. Found in the cytoplasm of prokaryotes DNA Replication the process of synthesizing a new strand of DNA; Semi conservative. What are the steps in DNA Replication?. DNA Double Stranded

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Protein Synthesis: Making proteins

Protein Synthesis: Making proteins. (Honors). Why do cells need to make proteins?. Each protein has a specific structure to aid in cell processes – we have about 100,000 different proteins!

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Protein Synthesis (Gene Expression) Notes Proteins (Review)

Protein Synthesis (Gene Expression) Notes Proteins (Review) All organisms are mostly made of Proteins. Proteins are composed of amino acids – there are 20 different amino acids that are used to make human proteins. Proteins are formed by the peptide bond.

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Section 10-3 Protein Synthesis (making proteins)

Section 10-3 Protein Synthesis (making proteins). Video human Genome – protiens, amino acids, and rna. Obj 10 : Describe the genetic code. amino acid sequence in a protein is determined by base sequence on mRNA (read 3 at a time = codon ). is nearly universal;

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PROTEIN SYNTHESIS

BIOCHEMISTRY

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Protein Synthesis Making Proteins

Protein Synthesis Making Proteins. Cell organization. DNA DNA is in the nucleus genes = instructions for making proteins want to keep it there = protected in the nucleus “ locked in the vault ”. cytoplasm. nucleus. nucleus. Cell organization. Proteins chains of amino acids

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