Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 1072
TLS Online TPP Program

#Question id: 1097

A signal transmitted via phosphorylation of a series of proteins is generally associated with which of the following events?

#Unit 4. Cell Communication and Cell Signaling

  1. conformational changes to each protein in the series

  2. binding of a hormone to an intracellular receptor

  3. activation of a ligand-gated ion channel

  4. production of ATP in the process of signal transduction

More Questions
TLS Online TPP Program

#Question id: 28400

#Unit 5. Developmental Biology

Which of the following is the major candidate for the factor that forms the Nieuwkoop center ? 
TLS Online TPP Program

#Question id: 33234

#Unit 1. Molecules and their Interaction Relevant to Biology

The form of catalysis is often also called nucleophilic catalysis
TLS Online TPP Program

#Question id: 23669

#Unit 13. Methods in Biology

The Ti plasmid is derived from ________.
TLS Online TPP Program

#Question id: 28237

#Unit 5. Developmental Biology

One of the regulation of extracellular mechanism is chemical regulation of stem cells takes the form of secreted proteins from surrounding cells that influence stem cell through signals, these Chemical signals maintain the stem cell in which state?
TLS Online TPP Program

#Question id: 7086

#Unit 5. Developmental Biology

In mammalian development, Only trophoblast cells synthesize the transcription factor Cdx2, which: