PAS-related domain (PRD) repeats mediate phytochrome dimerization. 

The PRD domain targets the Pfr form of phyB to the nucleus, although it lacks a canonical nuclear localization signal (NLS).

TLS Online TPP Program

#Id: 5657

#Unit 7. System Physiology – Animal

The bony labyrinth is a series of channels and filled with a fluid called perilymph, which has a relatively low concentration of K+, similar to that of plasma or the cerebral spinal fluid

TLS Online TPP Program

#Id: 10376

#Unit 4. Cell Communication and Cell Signaling

MHC molecules in mouse

TLS Online TPP Program

#Id: 6635

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 7925

#Unit 2. Cellular Organization

Endoplasmic reticulum

Network of interconnected membranous structures within the cytoplasm of eukaryotic cells contiguous with the outer nuclear envelope.

TLS Online TPP Program

#Id: 4013

#Unit 7. System Physiology – Animal

SA node has Prepotential or pacemaker potential which is the gradual potential rise from the resting membrane potential to threshold  ( -40 mV) & this occur spontaneously