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TLS Online TPP Program

#Question id: 1109

What role do phosphatases play in signal transduction pathways?

#4. Cell Communication and Cell Signaling

  1. They transfer a phosphate group from one protein in the pathway to the next molecule in the series.

  2. They activate protein kinases by phosphorylation.

  3. They amplify the second messenger cAMP.

  4. They inactivate protein kinases to turn off signal transduction.

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TLS Online TPP Program

#Question id: 85

#1. Molecules and their Interaction Relevant to Biology

Below is the structure for a cyclic D-monosaccharide. Which is the anomeric carbon atom?
TLS Online TPP Program

#Question id: 23250

#13. Methods in Biology

In presence of ATP luciferase-mediated conversion of luciferin into which compound?
TLS Online TPP Program

#Question id: 11971

#7. System Physiology – Animal

Over-the-counter medications for acid reflux or heartburn block the production of stomach acid. Which of the following cells are directly affected by this medication?
TLS Online TPP Program

#Question id: 24176

#Aptitude

In special cases, needy people who have nowhere else to go are permitted to enter the United States as refugees.
TLS Online TPP Program

#Question id: 3671

#3. Fundamental Processes

_____________ promotes recombination between specific sites on the plasmid if the same site occurs more than once in the molecule, as it would in a dimer or multimer.