A2 Edexcel Biology Unit 4 - Protein Synthesis, PCR, Gel Electrophoresis and DNA profiling

This video covers the following points:

2.Explain the nature of the genetic code (triplet code, non- overlapping and degenerate).
3 Explain the process of protein synthesis (transcription, translation messenger RNA, transfer RNA, ribosomes and the role of start and stop codons) and explain the roles of the template (antisense) DNA strand in transcription, codons on messenger RNA, anticodons on transfer RNA.
4 Explain how one gene can give rise to more than one protein through post-transcriptional changes to messenger RNA.
5 Describe how DNA profiling is used for identification and determining genetic relationships between organisms (plants and animals).
6 Describe how DNA can be amplified using the polymerase chain reaction (PCR).
7 Describe how gel electrophoresis can be used to separate DNA fragments of different length.

[Barosyagis]

15:21 From one piece of DNA, you get 2 copies, not 4 copies, in one complete cycle.

[tgdhsuk]

does this apply to salters snab specification A

[AishaKhan-gkmo]

could you upload biology videos for AS level PLEASE