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TLS Online TPP Program

#Question id: 2166

Typical ion/ligand concentrations are

#Unit 2. Cellular Organization

  1. 1 × 10-8 M H+ in the plant vacuole.                     

  2. >1 × 10-6 M Ca2+ in the cytosol of an animal cell.

  3. 1 × 10-1 M H+ in the lysosomes of cultured animal cells.

  4. 145 mM K+ in the cytosol of a mammalian cell.

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TLS Online TPP Program

#Question id: 2688

#Unit 2. Cellular Organization

The percentage of human genome which encodes proteins is approximately
TLS Online TPP Program

#Question id: 31056

#Unit 4. Cell Communication and Cell Signaling

Raf and analogous MEK phosphorylating kinases in cells are often called: 
TLS Online TPP Program

#Question id: 21138

#Unit 12. Applied Biology

Secondary metabolites production takes place in which phase of the bacterial growth curve?
TLS Online TPP Program

#Question id: 4303

#Unit 3. Fundamental Processes

Which component is not directly involved in translation?
TLS Online TPP Program

#Question id: 2966

#Unit 2. Cellular Organization

Scientists isolate cells in various phases of the cell cycle. They isolate a group of cells that have 1 1/2 times more DNA than G1 phase cells. What is the most likely part of the cell cycle from which these cells were isolated?