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TLS Online TPP Program

#Id: 898

Terminal transferase (TdT) Adds homopolymer tails to the 3’end of DNA.

#Unit 13. Methods in Biology #Enzymes of RDT #Part B Pointers
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TLS Online TPP Program

#Id: 3989

#Unit 7. System Physiology – Animal

Phase 1 (initial repolarization), fast sodium channels close
TLS Online TPP Program

#Id: 3991

#Unit 7. System Physiology – Animal

Phase 2 (plateau), calcium channels open and fast potassium channels close.
TLS Online TPP Program

#Id: 3994

#Unit 7. System Physiology – Animal

Phase 3 (rapid repolarization), calcium channels close and slow potassium channels open
TLS Online TPP Program

#Id: 3996

#Unit 7. System Physiology – Animal

Phase 4 (resting membrane potential) averages about −90 millivolts.
TLS Online TPP Program

#Id: 4001

#Unit 7. System Physiology – Animal
TLS Online TPP Program

#Id: 4006

#Unit 7. System Physiology – Animal

The SA node exhibits automaticity; it can spontaneously generate action potentials without neural input.