A2 Biology Unit 4: topic 6 breakdownPractical for unit 4:

Sampling Brine shrimp and temperature PCR Gel electrophoresis Effect of antibiotics

Chapter flow: 6.1 – 6.2 – 6.3

6.1 Analysis of DNA

A Nature of genetic code Process of protein synthesis (video) mRNA & tRNA structures + ribosomes one gene more protein- how? Post transcriptional modification of mRNA

B

What is DNA profiling (videos) How is it produced What is southern blotting What is PCR- uses

6.2 Microorganisms & diseases

A Structure of virus Virus life cycles Structure of bacteria Structure of bacterial cell walls Decomposition role

B

Ways of invasion of the body Barriers to entry

C

Non-specific responses to infection

D

Structure of antibodies Specific responses to infection (video)

6.3 People versus pathogensA

Controlling diseases How antibiotics work (video)

B

Evolutionary race MRSA C.difficile Prevention and control of diseases

C

Types of immunity Inducing immunity Eradicating diseases

D

Case study – TB Case study- HIV