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

DNA

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.

Paul Andersen explains Transcription & Translation in a 12m tutorial.

800px-MRNA.svg

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 tutorial.

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

Protein_synthesis.svg

DNA2

 

 

 

 

 

 

 

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

651px-Ribosome_mRNA_translation_en.svg