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ZOO503 MIDTERM SOLVED PAPERS
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Zoogeography and Paleontology:
Active transport takes place against substantial concentration gradients. Active transport systems exhibit a high degree of selectivity. Active transport requires ATP as a source chemical energy. Metabolic poisons that stop ATP production stop active transport. ALSO, SEE:
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Hydrolysis of ATP is carried out by specific “ATPases” present in the membrane. activated ATPases are associated with pump, while calcium- activated ATPases are associated with calcium-pumping membranes Some diaphragm pumps, pump are antiport.
ZOO503 Zoogeography and Paleontology:
Ion pumps that produce net charge motion are known as rhizogenic. because they produce a transmembrane electrical current. If the current has a measurable effect on voltage across the diaphragm, the pump is considered electrogenic.
ZOO503 MIDTERM PAST PAPERS BY MOAAZ:
The sodium-potassium pump is the main electrogenic pump of animal cells. Active transport follows Michalis Menten kinetics and exhibits competitive inhibition analog molecules. These are the characteristics of enzymatic reactions.
ZOO503 MIDTERM SOLVED PAPERS:
They exchange one species molecule or ion from one side of the membrane for another kind of molecule or ion from the other side. Some pumps do electrical work by creating a net charge flow.