First inducers of the lens are foregut endoderm and cardiac mesoderm that underlie the lens-forming ectoderm during the early and mid gastrula stages.

TLS Online TPP Program

#Id: 6325

#Unit 3. Fundamental Processes

The b-subunit is obviously the determinant of rifampicin sensitivity or resistance.

TLS Online TPP Program

#Id: 1317

#Unit 4. Cell Communication and Cell Signaling

Muscarinic acetylcholine receptor is coupled to a Gαi protein.

TLS Online TPP Program

#Id: 4539

#Unit 12. Applied Biology

TLS Online TPP Program

#Id: 5450

#Unit 7. System Physiology – Animal

The absolute refractory period overlaps with almost the entire duration of the action potential. During this period, no matter how great the stimulus, another action potential cannot be elicited.

TLS Online TPP Program

#Id: 10489

#Unit 4. Cell Communication and Cell Signaling

Cytotoxic T cells release granules containing the proteins perforin and granzyme-B