formation of ROS in two condition;
a) Mitochondria are not making ATP (for lack of ADP or O2) and therefore have a large proton-motive force and a high ratio of QH2/Q
b) there is a high NADH/NADratio in the matrix

TLS Online TPP Program

#Id: 5628

#Unit 7. System Physiology – Animal

Sensory receptors show adaptation, when a constant stimulus is applied for a period of time. Pattern of adaptation are phasic (adapt rapidly to the stimulus)& tonic(adapt slowly to the stimulus)

TLS Online TPP Program

#Id: 5702

#Unit 7. System Physiology – Animal

Thyrotropin-releasing hormone (TRH) 

Tripeptide

Stimulates secretion of TSH by thyrotropes

TLS Online TPP Program

#Id: 7514

#Unit 6. System Physiology – Plant

Although free IAA is the biologically active form of the hormone but toxic in high concentration, the vast majority of auxin in plants is found in a covalently bound state are considered hormonally inactive.

IAA has been found to be conjugated to both high- and low-molecular-weight compounds.

Low-molecular-weight conjugated auxins include esters of IAA with glucose or myo-inositol and amide conjugates such as IAA-N-aspartate.

High-molecular-weight IAA conjugates include IAAglucan

TLS Online TPP Program

#Id: 4989

#Unit 6. System Physiology – Plant

The greater proportion of far-red light converts more Pfr to Pr, and the ratio of Pfr to total phytochrome (Pfr/Ptotal) decreases.

TLS Online TPP Program

#Id: 5695

#Unit 7. System Physiology – Animal

ADH (Vasopressin) contraction of vascular smooth muscle