'Lagging strand' diaporamas de présentation

Replication

Replication. Which is the most necessary process for life?. Is it translation ? Is it transcription ? Is it replication ?. Energy. DNA. RNA. Proteins. information flow. Information carryer replication. Outline. Overview Replication fork and involved enzymes

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?????????????? The Central Dogma of Molecular Biology

?????????????? The Central Dogma of Molecular Biology. 1) ?????? 2) DNA ???? 3) ? DNA ? RNA( ?? ) 4) ???? 5) ? RNA ???? ( ?? ) 6) ??. The Central Dogma of Molecular Biology. ????????. ?? DNA ??. DNA Replicating Itself .

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Which of the following organisms are autotrophs? algae some bacteria plants some protozoans all of the above

Which of the following organisms are autotrophs? algae some bacteria plants some protozoans all of the above. The reactions of glycolysis occur in the mitochondria cytoplasm chloroplasts nucleus.

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DNA REPLICATION

DNA REPLICATION. Animation gone Crazy. DNA Replicates and Replicates. DNA REPLICATION. Semi-conservative = one of the parent DNA strands is passed to the daugher DNA + one new strand SNEAK PREVIEW: ?? DNA REPLICATION PLAYERS (enzyme review). Fill out DNA Replication Enzymes CHART.

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DNA Replicates by a Semiconservative Mechanism

DNA Replicates by a Semiconservative Mechanism. Grow cells in 15 N and transfer to 14 N. Analyze DNA by equilibrium density gradient centrifugation. Presence of H-L DNA is indicative of semiconservative DNA replication. from Lodish et al ., Molecular Cell Biology, 6 th ed. Fig 4-29.

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DNA Replication

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Announcements

Announcements. 1. Today – in class problem solving: including handout/worksheet on recombinant DNA technology, putting it all together AND restriction analysis problems

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DNA Replicates by a Semiconservative Mechanism

DNA Replicates by a Semiconservative Mechanism. Grow cells in 15 N and transfer to 14 N. Analyze DNA by equilibrium density gradient centrifugation. Presence of H-L DNA is indicative of semiconservative DNA replication. from Lodish et al ., Molecular Cell Biology, 6 th ed. Fig 4-29.

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Nonmendelian Kal?t?m : D i nami k muta sy on lar

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Animations/websites

Animations/websites. http://www.wiley.com/college/pratt/0471393878/student/animations/dna_replication/index.html http://www.nobelprize.org/educational/medicine/dna_double_helix/. DNA replication. DNA length. DNA molecules are very long Example: E. coli bacteria- 4,639,221 base pairs

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DNA Replication the big event during S phase

DNA Replication the big event during S phase. The Animation . http://highered.mcgraw-hill.com/sites/0072437316/student_view0/chapter14/animations.html#. 1. Helicase breaks hydrogen bonds between bases, unzips and unwinds the helix. Helicase:

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Replication of the Genetic Material

Replication of the Genetic Material. Genetic material must be duplicated for transfer into daughter cells. Complementary double-stranded DNA makes this possible. A. A. A. Possible Mechanisms for DNA Replication. semiconservative conservative dispersive.

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DNA synthesis

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The Molecular Basis of Inheritance

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DNA Synthesis

DNA Synthesis. Sister chromatids. DNA replication. Centromere . One chromosome (Unreplicated state). One chromosome (Replicated state) . Last time:. DNA is the chemical substance that serves as the genetic material (exception: RNA in some viruses) Today:

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DNA

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Ch. 16 DNA

Ch. 16 DNA. DNA: the Central Dogma, history, structure Replication. History: timeline, people and their accomplishments. Mendel (heredity) Sutton Chromosomes Thomas Hunt Morgan (flies, linkage) Griffith (1928) transformation and mice Avery and colleagues (1944):

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DNA Replication

DNA Replication. Cell Cycle. Two stages in Cell Cycle: Growth stage: Interphase Division stage: Mitosis Cytokinesis Leads to the formation of two IDENTICAL daughter cells. DNA Replication. During Interphase DNA within the nucleus duplicates.

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DNA Replication

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DNA REPLICATION

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