Principal function of all 3 human TGF-β isoforms, TGF-β1, 2, and 3:

Prevent cell proliferation by inducing the synthesis of p15 INK4B

TLS Online TPP Program

#Id: 4050

#Unit 2. Cellular Organization

The interphase nuclei of some tissues of the larvae of dipteran flies contain chromosomes that are greatly enlarged relative to their usual condition. They possess both increased diameter and greater length. shows an example of a chromosome set from the salivary gland of D. melanogaster. The members of this set are called polytene chromosomes.

TLS Online TPP Program

#Id: 9661

#Unit 4. Cell Communication and Cell Signaling

Activated RTKs and cytokine receptors promote PLCγ activity in two ways: 

By localizing PLCγ to the membrane

By phosphorylating PLCγ

TLS Online TPP Program

#Id: 9888

#Unit 4. Cell Communication and Cell Signaling

Don’t eat me

Don’t eat me” signal, the protein CD47. CD47, recognized by the SIRP-α receptor on macrophages.

TLS Online TPP Program

#Id: 1065

#Unit 5. Developmental Biology

FD, a basic leucine zipper (bZIP) transcription factor that is expressed in the meristem.

TLS Online TPP Program

#Id: 1212

#Unit 7. System Physiology – Animal

At the midpoint of the cycle, between the follicular and luteal phases, ovulation occurs.