'Wrong amino acid' diaporamas de présentation

Cell Division

Cell Division. Mitosis. The replication of autosomal cells. One cell splits in two creating two identical cells . The cell becomes diploid before splitting into two haploid cells which become diploid again. Video. Meiosis.

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Mutations and DNA Technology

Mutations and DNA Technology. What is a mutation?. A mutation is a change in DNA Two types of mutations are gene mutations and chromosome mutations. Gene mutations. A POINT MUTATION is a mutation that affects one nucleotide or one base. Sometimes your cell catches it when proofreading.

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GENETIC MUTATIONS

GENETIC MUTATIONS. Section 5.6 Pg. 259. Mutation : A change in the DNA sequence that is inherited as the DNA is transmitted through cell division. Categorising mutations. By effect on structure By consequences on resulting proteins. 1. Mutations by effect on structure. Point mutations

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Chapter 24

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Why Evolution Is Not a Good Paradigm For Program Induction; A Critique of Genetic Programming

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Biology Assessment I -- review

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DNA - RNA - protein - traits

DNA - RNA - protein - traits. replication transcription translation triplet code codon/anticodon mRNA - t RNA - r RNA. polymer nucleotides nitrogen bases - order = code gene. example proteins/functions. enzymes - lactase, polymerase, helicase hormones - estrogen and testosterone

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Mutations

Mutations. From Gene to Protein Honors Biology Ms. Kim. Mutations. Mutations Are changes in the genetic material (DNA) of a cell 2 TYPES 1. Point mutations can affect protein structure and function Are changes in just one base pair of a gene. POINT MUTATIONS.

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Section P THE GENETIC CODE AND tRNA

Section P THE GENETIC CODE AND tRNA. Content. P1-THE GENETIC CODE P2 -tRNA STRUCTURE AND FUNCTION. Nature Deciphering Feature Effect of mutation. Universality ORFs Overlapping genes. THE GENETIC CODE. The genetic code: how do nucleotides specify 20 amino acids?

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Mutations

Mutations. Mutation effects. Reproductive Cells -mutation in DNA sequence of an egg or sperm cell -mutation is passed on to offspring - possible effects include: production of a new trait, a dysfunctional protein, lethal, or positive effects (evolution). Mutation effects. Body Cells

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Translation (Protein Synthesis)

Translation (Protein Synthesis). RNA ? protein. Making a protein. Many RNAs needed mRNA, tRNA, rRNA. Messenger RNA (mRNA ). Carries coded instructions for protein synthesis (translation) From the DNA in the nucleus to the ribosome. The genetic code. Codons

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DNA & Translation

DNA & Translation. Gene : section of DNA that creates a specific protein Approx 25,000 human genes Proteins are used to build cells and tissue Protein synthesis involves two processes: 1) Transcription 2) Translation. DNA and Translation. Transcription Review.

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