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TLS Online TPP Program

#Question id: 1109

What role do phosphatases play in signal transduction pathways?

#XL - Q Biochemistry

  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: 18001

#XL - S Microbiology

Where in an angiosperm would you find a megasporangium? 

TLS Online TPP Program

#Question id: 758

#XL - Q Biochemistry

Both miRNAs and one strand of siRNAs are bound by proteins to form a ribonucleoprotein complex called:
TLS Online TPP Program

#Question id: 19595

#XL - P Chemistry

For the reaction C(s) + O2(g) → CO2(g)
TLS Online TPP Program

#Question id: 4909

#XL - R Botany

A pattern of transmission where all offspring have the same phenotype as their mother is consistent with which type of non-Mendelian inheritance?
TLS Online TPP Program

#Question id: 10586

#XL - T Zoology

Which of the following factors may not change carrying capacity over time?