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Canada (510,881)
BIOA01H3 (699)
Lecture 14

Lecture 14

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Department
Biological Sciences
Course
BIOA01H3
Professor
Mark Fitzpatrick
Semester
Fall

Description
10-11-07 10:40 PM Lecture 14 Notes What are requirements for life? 1. Supply of replicators- self reproducing molecules 2. Replicator copying must be subject to error 3. Supply of free energy for metabolism growth reproduction movement 4. Partial isolation from external environment Why are membranes so important? Separate cell interior from external environment Enclose cells and organelles inside cells Responsible for selective permeability Biological membranes are selectively permeable- some things are allowed into the cell
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