Plasma membranes separate the internal environment of the cell from the external environment. Selective permeability is the result of the plasma membrane having a hydrophobic interior.
Standard detail
2.4.A.1
Depth 3Parent ID: EDE12F213E1E4EFE9B18095219373D21Standard set: AP Biology (2025)
Original statement
Quick facts
- Statement code
- 2.4.A.1
- List ID
- 1
- Standard ID
- 77EE20CF788445F5A9E8A12795920357
- Subject
- AP Biology
- Grades
- 09, 10, 11, 12
- Ancestor IDs
- EDE12F213E1E4EFE9B18095219373D219E74095FDD4049F491F4242605D12483E36AEE76A60A48BBB2281778B8E61081
- Source document
- AP® Biology COURSE AND EXAM DESCRIPTION Effective Fall 2025
- License
- CC BY 4.0 US