Specification of the ectoderm is accomplished during gastrulation, by regulating the levels of BMP.

TLS Online TPP Program

#Id: 4755

#Unit 5. Developmental Biology

The SKN-1 protein is a transcription factor that initiates the activation of those genes responsible for forming the pharynx and intestine.

TLS Online TPP Program

#Id: 8318

#Unit 2. Cellular Organization

Nucleation phase 

Two G-actin molecules bind relatively weakly to each other, but addition of a third actin monomer to form a trimer makes the entire group more stable, acts as a nucleus for polymerization.

TLS Online TPP Program

#Id: 6988

#Unit 5. Developmental Biology

The potency of a cell is an intrinsic property and is greater than or equal to its fate. Potency is described as the gene activation potential within a cell which begins with – 

Totipotency, Pluripotency, Multipotency  and finally Unipotency.

TLS Online TPP Program

#Id: 8697

#Unit 1. Molecules and their Interaction Relevant to Biology

Transketolase catalyzes the transfer of a two carbon fragment from a ketose donor to an aldose acceptor with TPP

Transaldolase catalyses the transfer of a 3 carbon fragment

TLS Online TPP Program

#Id: 5967

#Unit 10. Ecological Principles

Light