Membrane ion channels that play important roles in generation of the action potential:

T (transient) channels 

L (long-lasting) channels Voltage gated potassium ion channel

TLS Online TPP Program

#Id: 3045

#Unit 3. Fundamental Processes

FEN 1 functions as an endonuclease, but it also has a 5 '-3' exonuclease activity. In DNA repair reactions, FEN 1 may cleave next to a displaced nucleotide and then use its exonuclease activity to remove adjacent material.

TLS Online TPP Program

#Id: 96

#Unit 5. Developmental Biology

Cytoplasmic Determinants are molecules, often transcription factors that regulate gene expression that directs the cell along a particular path of maturation.

TLS Online TPP Program

#Id: 694

#Unit 3. Fundamental Processes

Quick-stop mutants are defective in the components of the replication apparatus and cease replication immediately upon a temperature increase.

TLS Online TPP Program

#Id: 4028

#Unit 7. System Physiology – Animal

TLS Online TPP Program

#Id: 6747

#Unit 8. Inheritance Biology

Directional transfer and mapping