Category Archives: 7. Nucleic Acids

7.1 DNA Structure & Replication

Bioknowledgy 7.1 DNA structure and replication AHL from Chris Paine.

Find a video lesson on this sub-topic at Dan Rott videos.

Click on ‘DNA’ to work through a very detailed Interactive Tutorial from Wiley.

How DNA is packaged (1m 43s):

A DNA replication animation or click on ‘DNA Replication’ to see a more detailed Interactive Animation from Wiley or here are some fantastic animated tutorials from McGraw Hill Education – DNA Replication (in prokaryotes), DNA Replication fork & lagging & leading strands in DNA Replication.

Paul Andersen describes the molecular structure of DNA in What is DNA?. And here, he explains DNA Replication:

Here’s a TED-Ed lesson on what happens when your DNA is damaged

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7.2 Transcription & Gene Expression

BioKnowledgy 7.2 transcription and gene expression (AHL) from Chris Paine.

Find a video lesson on this sub-topic at Dan Rott videos.

Click on ‘The Central Dogma of Biochemistry’ to see an Interactive Animation from Wiley or click on ‘Protein Synthesis’ to see a different Interactive Animation from Wiley.

Fantastic animated tutorials from McGraw Hill Education – stages of Transcription, Exons & Introns & Transcription compared to DNA Replication.

Regulated Transcription in under 4 minutes from ndsuvirtualcell

Gene Regulation – a 10m video from Mr Andersen. He also explains Transcription & Translation in a 12m tutorial.

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7.3 Translation

BioKnowledgy Presentation on 7.3 Translation (AHL) from Chris Paine.

Find a video lesson on this sub-topic at Dan Rott videos.

Click on ‘tRNA’ to work through an Interactive Tutorial from Wiley.

Fantastic animated tutorials from McGraw Hill Education – how Translation works, Translation Initiation, Translation Elongation & Translation Termination.

Paul Andersen explains Transcription & Translation in a 12m tutorialVenki Ramakrishnan was awarded the 2009 Nobel Prize in Chemistry for ‘studies of the structure and function of the ribosome’ (a 7m video).

An animated, narrated tutorial on Polyribosomes (from Sinauer Associates).

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On the left, Translation; on the right, Protein Synthesis (Transcription & Translation) – click to enlarge.

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