Protein synthesis

Lesson 6 GCSE Triple Science Module 14

Lesson objectives:

1. You will understand the role of DNA in deciding protein structure

2. You will understand the 3 stages of protein synthesis

Starter activity:

1. What does DNA stand for?

2. What is DNA made up from?

3. What are the four bases of DNA called?

4. How many bases make up the code for one amino acid?

Copy and complete questions

This site will help you remember: - BBC Education - AS Guru - Biology - Genes and Genetics - Structure of DNA - Nucleotides

3 important stages in protein synthesis:

• The coding by triplets of bases to produce mRNA (Transcription)

• The linking of mRNA to tRNA at ribosomes (Translation)

• The linking of amino acids to form polypeptides

Protein synthesis:

Transcription of mRNA

Translation of mRNA to make protein

Overview of protein synthesis

http://www.bbc.co.uk/education/asguru/biology/intro.shtml

BBC - Education Scotland - Higher Bitesize Revision - Biology - Cell Biology - RNA and protein synthesis: Revision Intro

Activities:

Use a range of websites to produce:

1. An annotated flow chart showing the stages of protein synthesis.

2. Publish you work on your own website pages! (to go on school site )

Two sites below will help

Plenary:

Present your website pages to the class for peer assessment. Presentation should be no more than five minutes and cover all the stages of protein synthesis.

Your web-pages will be judged on:

• scientific content

• web design

• originality of material

Remember to acknowledge all material used by another author.