Flashcards
ASBKW - Cell Structure
Cards in this deck (18)
- 1FICK'S LAWLarge surface area
Short diffusion distance
Partially permeable membrane
A means to maintain the concentration gradient - 2Magnificationhow much bigger a sample appears to be than it is in real life
- 3Cell Fractionationthe process of breaking open(fracturing) cells to isolate different organelles
- 4Ultracentrifugea device which spins the filtered homogenate and seperates the fragments by centrifugal force
- 5Peptide bondsbonds that exist between protein molecules
- 6Virusgenetic material inside a protein coat
- 7Blastocystfertilised egg (5-6 days)
- 8Organa group of similarly specialised tissues working together to achieve a specific function
- 9Organ Systema group of similarly specialised organs working together to achieve a major function
- 10Tissuea group of similarly specialised cells working together to perform a specific function
- 11Diffusionpassive net movement of molecules from a region of higher concentration to a region of lower
- 12Passiveno external energy source needed
- 13Facilitated Diffusionprocess of spontaneous passive transport of molecules or ions across a cell's membrane via specific transmembrane integral proteins
- 14Water Potential(Ψ)the amount of water in a solution
- 15Osmosisthe passive net movement of water from a region of high Ψ / less negative Ψ to lower Ψ / more negative Ψ through a partially permeable membrane
- 16Hypotonicoverload of water (high Ψ, less -ve Ψ)
- 17Hypertonicless water (lower Ψ, more -ve Ψ)
- 18Isotonicequal water potential
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- AS level Biology (Cell Structure) Flashcards on ASBKW - Cell Structure, created by Kwame Oteng-Adusei on 04/10/2016.
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- Kwame Oteng-Adusei
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