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TLS Online TPP Program

#Question id: 2146

In one catalytic cycle, the Na+/K+ ATPase transporter transports:

#XL - S Microbiology

  1. 2 Na+ out, 3 K+ in, and converts 1 ATP to ADP + Pi.

  2. 3 Na+ out, 2 K+ in, and converts 1 ATP to ADP + Pi. 

  3. 3 Na+ in, 2 K+ out, and converts 1 ATP to ADP + Pi.

  4. 1 Na+ out, 1 K+ in, and converts 1 ATP to ADP + Pi.

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TLS Online TPP Program

#Question id: 14880

#XL - S Microbiology

Which of the following cells control the differentiation HSCs (hematopoietic stem cells)?
TLS Online TPP Program

#Question id: 15258

#XL - S Microbiology

Complex media contain components like 
TLS Online TPP Program

#Question id: 20191

#XL - P Chemistry

In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds to which one of the following inter-orbit jumps of the electron for Bohr orbits in an atom of hydrogen ?
TLS Online TPP Program

#Question id: 3880

#XL - Q Biochemistry

Which one of the following properties of the L-19 IVS ribozyme is not shared with enzymes that are purely protein?
TLS Online TPP Program

#Question id: 2193

#XL - S Microbiology

A membrane is examined using freeze-fracture and freeze-etch analysis. The surfaces are shown to have almost no pits or bumps. Which of the following is the most likely source of the membrane?