The color of our hair is caused largely by a pigment called melanin

a. Eumelanin-black or brown

b. Pheomelanin-red or yellow

TLS Online TPP Program

#Id: 2918

#Unit 3. Fundamental Processes

Once the prepriming complex is loaded onto the replication forks, the next step is the recruitment of the primase, DnaG, which is then loaded onto the DnaB hexamer.

TLS Online TPP Program

#Id: 9623

#Unit 4. Cell Communication and Cell Signaling

Asymmetric kinase dimer 

Receptor dimerization brings the kinase domains of the two subunits close together, so that the C lobe of one kinase domain binds to the N lobe of the other kinase domain

TLS Online TPP Program

#Id: 5071

#Unit 6. System Physiology – Plant

Auxin was the first growth hormone to be discovered in plants.

TLS Online TPP Program

#Id: 1069

#Unit 5. Developmental Biology

SOC1 and AP1 triggers LFY gene expression

TLS Online TPP Program

#Id: 6520

#Unit 7. System Physiology – Animal

In 21β-hydroxylase deficiency, glucocorticoid secretion is reduced during fetal life and the adrenal medulla is dysplastic