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4 Cards in this Set
- Front
- Back
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Define and describe the makeup of a protocell and why the discovery was important. |
Define - is a collection of lipids which was the beginning of life. Describe - made up of RNA and a fatty acid membrane. Important - for growth and replication. |
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List the 6 major functions of membrane proteins and an example of each. |
Transport - Hydrophilic channel
Enzymatic Activity - metabolic pathways
Single Transduction - chemical messages
Intercellular Joining - forming cell junctions
Cell-cell recognition - identification tags
Attachment to the cytoskeleton and ECM - Stability |
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Give 4 differences between exergonic and endergonic reactions. |
Exergonic - Increase in stability Decrease in gibbs free energy Spontaneous Downhill Endergonic - opposite |
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What is energy coupling? |
Cells manage their energy resources to do work with the use of exergonic and endergonic reactions |
