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TLS Online TPP Program

#Question id: 1106

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

#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: 32

#1. Molecules and their Interaction Relevant to Biology

 Humans maintain a nearly constant level of hemoglobin by continually synthesizing and degrading it. This is an example of a(n):
TLS Online TPP Program

#Question id: 4163

#3. Fundamental Processes

The net effect of all amino acid tRNA synthetases binding to a tRNA is to position the __ of tRNA in the active site.
TLS Online TPP Program

#Question id: 5526

#5. Developmental Biology

The allantois
TLS Online TPP Program

#Question id: 2287

#2. Cellular Organization

Which characteristic do eukaryotic and prokaryotic flagella have in common?
TLS Online TPP Program

#Question id: 8895

#9. Diversity of Life Forms

What is one characteristic that separates chordates from all other animals?