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TLS Online TPP Program

#Question id: 3872

Processing of a primary mRNA transcript in a eukaryotic cell does not normally involve:

#Unit 3. Fundamental Processes

  1. attachment of a long poly(A) sequence at the 3' end.

  2. conversion of normal bases to modified bases, such as inosine and pseudouridine.

  3. excision of intervening sequences (introns).

  4. joining of exons.

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TLS Online TPP Program

#Question id: 23779

#Unit 7. System Physiology – Animal

The photosensitive pigment present in the rod cells of retina is _______
TLS Online TPP Program

#Question id: 23780

#Unit 7. System Physiology – Animal

The purplish red pigment rhodopsin contained in the rods of photoreceptor cells of the human eye is a derivative of _______.
TLS Online TPP Program

#Question id: 23781

#Unit 7. System Physiology – Animal

Rhodopsin is comprised of 
a. An ketone of vitamin A
b. Opsin protein (GPCR)
c. An aldehyde of vitamin A
d. Retinal
TLS Online TPP Program

#Question id: 23782

#Unit 7. System Physiology – Animal

Where is rhodopsin located in the cell?
TLS Online TPP Program

#Question id: 23783

#Unit 7. System Physiology – Animal

Retinal is parallel to the surface of the membrane and is attached to a
TLS Online TPP Program

#Question id: 23784

#Unit 7. System Physiology – Animal

What happens when rod cells are exposed to light?