Cell Tissue Gene DNA Mitosis Meiosis
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Cell Tissue Gene DNA Mitosis Meiosis |
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 Kolej Matrikulasi Perak. This is only an assignment-purpose blog! Contact Me
quotes
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  10:06 | 0 Cloud(s) Active Transport
Active Transport :
*The
movement of a substance across a cell membrane against its concentration, mediated by specific transport proteins and
require an expenditure of energy.
*Location
: Nerve Cell , Nephrons & e.t.c
*Example : Sodium-Potassium Pump
Sodium-Potassium
Pump
*Cells
usually have more sodium ions outside and more potassium ions
inside.
*Transport
3 sodium ions (Na+) out of the cell & 2 potassium ions (K+) into the cell.
*Involved
Phosphorylation
:
- Addition of a phosphate group to a protein or organic molecules - Phosphorylation causes the protein to change its conformation.      
Animation : Sodium-Potassium Pump
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