Gap genes encode transcription factors, and differing combinations and concentrations of gap gene proteins regulate the transcription of pair-rule genes, which divide the embryo into periodic units.

TLS Online TPP Program

#Id: 5272

#Unit 7. System Physiology – Animal

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: 3509

#Unit 2. Cellular Organization

The homology between two genes can be plotted in the form of a dot matrix

TLS Online TPP Program

#Id: 7534

#Unit 6. System Physiology – Plant

Strigolactones as signal that interact with auxin in regulating apical dominance Strigolactone is a group of trepenoids that produced in both shoots and roots and is transported through xylem

TLS Online TPP Program

#Id: 6520

#Unit 7. System Physiology – Animal

In 21β-hydroxylase deficiency, glucocorticoid secretion is reduced during fetal life and the adrenal medulla is dysplastic

TLS Online TPP Program

#Id: 489

#Unit 2. Cellular Organization

In interphase nuclei, this underlying proteinaceous structure changes its organization to occupy the entire nucleus; during interphase the structure is referred to as the matrix rather than the scaffold.