Proportion of phytochrome in the Pfr form after saturating irradiation by red light is only about 85%. 

TLS Online TPP Program

#Id: 6576

#Unit 7. System Physiology – Animal

SRY is a DNA-binding regulatory Protein, bends the DNA & acts as a transcription factor that initiates transcription of a cascade of genes necessary for testicular differentiation

TLS Online TPP Program

#Id: 4008

#Unit 7. System Physiology – Animal

SA node has an unstable resting membrane potential. The “resting membrane potential” of the sinus nodal fiber between discharges has a negativity of about −55 to −60 millivolts.

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#Id: 9701

#Unit 4. Cell Communication and Cell Signaling

Two mating types of yeast cells are: 

1. a 

2. α

TLS Online TPP Program

#Id: 9100

#Unit 4. Cell Communication and Cell Signaling

In response to activation of acetylcholine GPCRs, PLC, and the elevation in cytosolic Ca²+, Nitric oxide is synthesized in endothelial cells.

TLS Online TPP Program

#Id: 3539

#Unit 2. Cellular Organization

The chloroplast genome is generally similar to that of mitochondria, except that there are more genes.