When same cytokine has different effects on cells that can be activating or inhibiting. For example, IL-10 can be inhibitory to macrophages and TH1 cells yet activating for TH2 cells and B cells. These type of cytokines are known as –

Toll-like receptors (TLRs) are membrane integral proteins containing –

In general, a signal transmitted via phosphorylation of a series of proteins –

Recent evidence suggests that losartan, an AT1 blocker that blunts TGFβ activation, may be an effective treatment for Marfan syndrome.  Which of the following best explains the relationship between the Marfan syndrome and TGFβ?

From the perspective of the cell receiving the message, the three stages of cell signaling are –

Without isolating the variable, determine if is a solution to the equation 

Solve the equation.  Round to the nearest hundredth if necessary.  

Use the concept of equivalence to find three equally spaced fractions between 1/3 and 1.

Membrane receptors that attach phosphates to specific amino acids in proteins are –

Some receptors for growth factors activate a protein kinase cascade, with the participation of multiple enzymes to effect a change in gene expression. Which of the following statements about a protein kinase cascade are true?