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TLS Online TPP Program

#Question id: 1106

Protein kinase is an enzyme that functions in which of the following ways?

#Unit 4. Cell Communication and Cell Signaling

  1. as a second messenger molecule

  2. as a receptor for various signal molecules

  3. activates or inactivates other proteins by adding a phosphate group to them

  4. activates a G protein

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TLS Online TPP Program

#Question id: 11288

#Unit 10. Ecological Principles

Below is a table showing the number of species and actual food web links observed in three different ecosystems. By calculating connectance as a measure of relative complexity of food webs, which of the following ecosystem are more complex? 
TLS Online TPP Program

#Question id: 32516

#Unit 1. Molecules and their Interaction Relevant to Biology

How lifesaving effect of sodium nitrite takes place during cyanide poisoning
TLS Online TPP Program

#Question id: 3990

#Unit 3. Fundamental Processes

Which of the following statements is true of the attenuation mechanism used to regulate the tryptophan biosynthetic operon in E. coli?
TLS Online TPP Program

#Question id: 28251

#Unit 5. Developmental Biology

the arrangement of axoneme in sperm propulsion system consist of___
TLS Online TPP Program

#Question id: 24439

#Unit 13. Methods in Biology

If heart rate is 75 beats/minute, what is the R-R interval in units of milliseconds?