Protein Synthesis

Feb 13, 2013

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Protein Synthesis

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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).

684 views • 28 slides

Protein Synthesis

Protein Synthesis. AS Biology. Mrs Griffiths. Protein synthesis pg 72-73. DNA unwinds mRNA copy is made of one of the DNA strands. mRNA copy moves out of nucleus into cytoplasm. tRNA molecules are activated as their complementary amino acids are attached to them.

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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.

1.95k views • 25 slides

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

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

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

Protein Synthesis. Translating the Message. How does the sequence of mRNA translate into the sequence of a protein? What is the genetic code? How do you translate the "four-letter code" of mRNA into the "20-letter code" of proteins?

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PROTEIN SYNTHESIS

BIOCHEMISTRY

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Protein Synthesis

Protein Synthesis. From DNA to protein And viruses And bacteria. CENTRAL DOGMA: From DNA to Protein. OVERVIEW FIRST  Central Dogma Youtube (3:01) DNA wrapping, transcription, translation Youtube (7:46). Central Dogma. You Tube Protein Synthesis (2:51)

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Protein Synthesis

Protein Synthesis. The Making of Protein. Quick Protein Review. A chain of amino acids is a protein. Protein is a macromolecule or polymer. Proteins an organic molecule with C,H,O,N. Monomer of protein is amino acid. There are 20 amino acids, found in food. Ribosomes make protein.

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Protein Synthesis

Protein Synthesis. Transcription and Translation Mader Biology Chapter 14. Protein synthesis = Central dogma= DNA To RNA TO protein. Transcription: DNA transcribes code to mRNA in nucleus Translation: tRNA transports amino acids to mRNA on ribosome, builds polypeptide.

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Protein Synthesis

Protein Synthesis. Making Proteins. Why Do We Need Proteins?. Cell Structure Cell = 80% protein . Cell membrane. Why Do We Need Proteins?. Cell Processes Hormones (signals) Enzymes (speed up reactions). Why Do We Need Proteins?. Membrane Channels (remember transport?)

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Protein Synthesis

Protein Synthesis. The genetic code. This is the sequence of bases along the DNA molecule Read in 3 letter words (Triplet) Each triplet codes for a different amino acid. mRNA-Amino Acid Table. Purpose.

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