Acetylcholine (ACh), released from parasympathetic nerve fibers, activates muscarinic (M2) receptors in the SA node.

TLS Online TPP Program

#Id: 5458

#Unit 7. System Physiology – Animal

The number of Na + channels along the axons of unmyelinated neurons, is about 110.

TLS Online TPP Program

#Id: 9504

#Unit 6. System Physiology – Plant

Xanthomonas, produces TAL (transcription activator‐like) effectors contribute to disease formation or trigger defense by binding host DNA and activating effector‐specific host genes.

TLS Online TPP Program

#Id: 6619

#Unit 7. System Physiology – Animal

Inhibin is produced by ovarian granulosa cells, Inhibits FSH secretion from the anterior pituitary.

TLS Online TPP Program

#Id: 9192

#Unit 11. Evolution and Behavior

TLS Online TPP Program

#Id: 10000

#Unit 4. Cell Communication and Cell Signaling

Calcineurin phosphatase, dephosphorylates and activates the transcription factor, Nuclear Factor Associated with T cells (NFAT).