'Different codons' diaporamas de présentation

Lesson Overview

Lesson Overview. 13.1 RNA. THINK ABOUT IT . DNA is the genetic material of cells. The sequence of nucleotide bases in the strands of DNA carries some sort of code. In order for that code to work, the cell must be able to understand it.

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Protein Structure and Folding

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Chapter 10 Nucleic Acids & Protein Synthesis

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Ch. 14.1 -14.5

Ch. 14.1 -14.5. Dr. Marchette. http:// learning.mgccc.cc.ms.us/jd/science/carter/chapter14/animations/csRicin.html. Section 14.1 How is RNA transcribed from DNA?. Key Concepts Life depends on enzymes and other proteins. All proteins consist of polypeptide chains.

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Cell-free

Protein Expression Systems. Bacterial. Cell-free. Yeast. Mammalian. Insect. Protein Expression in Bacteria. Advantages/disadvantages Genetic elements essential for the expression Cloning strategies Overview of the available expression systems and expression strains

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DNA/RNA/Protein Synthesis

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Unit 7: DNA and Protein Synthesis

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Lesson Overview

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Protein Synthesis (From Nucleus to Cytoplasm)

Protein Synthesis (From Nucleus to Cytoplasm). The Central Dogma. www.video.sina.com.cn. Amino Acids. tRNA. TRANSCRIPTION. TRANSLATION. DNA. mRNA. PROTEIN. Ribosomes. REPLICATION. Protein. rRNA. The Central Dogma (in equation form). Initial Problem:

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Protein Synthesis and Gene Expression

Protein Synthesis and Gene Expression. Hot Seat. What is the relationship between the contents of the nuclei of muscle and intestine cells?. The cells function in exactly the same ways even though their nuclei are different

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RNA & Transcription

RNA & Transcription. 11-18-08. DNA Review. Contains the genetic instructions used in the development and functioning of all organisms Found in the nucleus of cells! Made up of Nucleotides Sugar (deoxyribose) Phosphate Nitrogenous Base Adenine Thymine Cytosine Guanine. DNA Replication.

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Molecular basis of evolution.

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Chapter 17: From Gene to Protein

Chapter 17: From Gene to Protein. DNA makes RNA makes Protein. Summary of Transcription and Translation A triplet code in DNA is transcribed into a codon sequence in mRNA This pre-RNA is processed in the nucleus

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Transcription & Translation

Transcription & Translation. Assessment Statements. 3.5.1 Compare the structure of RNA and DNA. 3.5.2 Outline DNA transcription in terms of the formation of an RNA strand complementary to the DNA strand by RNA polymerase.

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Unit 3.1: Protein Synthesis DNA ? RNA ? Protein

Unit 3.1: Protein Synthesis DNA ? RNA ? Protein. Vocabulary:. Transcription : DNA ? mRNA; process in which a small section of DNA is copied onto a messenger RNA molecule. Translation : mRNA ? protein; process in which the codons on an mRNA molecule are translated into amino acids.

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TRANSLATION

TRANSLATION. TRANSLATION. The process where the mRNA code is translated into amino acids which are combined to make a protein Occurs on a ribosome. TRANSLATION. mRNA Codon. G roup of 3 nucleotides Each codon codes for a specific amino acid GCU = Alanine 64 different codons.

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Mutations

Mutations. What happens if there is a mistake in DNA? What causes the change in DNA? How does that mistake affect an organism?. Interest Grabber. Section 12-4. Determining the Sequence of a Gene

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Genetic code:

Genetic code: Def . Genetic code is the nucleotide base sequence on DNA ( and subsequently on mRNA by transcription) which will be translated into a sequence of amino acids of the protein to be synthesized. The code is composed of codons

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