Define selectively permeable membrane.
Understand the Problem
The question is asking for the definition of a selectively permeable membrane and mentions movement by two processes, which likely refers to mechanisms of transport across the membrane. This implies a need for understanding cell biology concepts related to membrane functions.
Answer
A selectively permeable membrane allows certain molecules to pass through by active or passive transport.
A selectively permeable membrane allows certain molecules or ions to pass through by active or passive transport, while restricting others.
Answer for screen readers
A selectively permeable membrane allows certain molecules or ions to pass through by active or passive transport, while restricting others.
More Information
Selectively permeable membranes maintain homeostasis by controlling the passage of materials, adapting to different cellular needs.
Tips
Common mistakes include thinking all molecules can pass, or that transport is only active.
Sources
- Selectively Permeable Membranes - Definition and Examples - biologyonline.com
- Selective permeability of the cell membrane - Osmosis - osmosis.org
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