OCR A-level Biology A H420 · 2.1.3(d)(ii)
Practical: purifying DNA by precipitation
- Code
- 2.1.3(d)(ii)
- In
- 2.1.3(d) DNA structure and purification
- Topic
- 2 Foundations in biology
- Course
- A-level Biology A H420
- Board
- OCR
Grade boundaries·OCR command words
Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.
Points in 2.1.3(d) DNA structure and purification
- 2.1.3(d)(i) DNA structure
- 2.1.3(d)(ii) Practical: purifying DNA by precipitation