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TLS Online TPP Program

#Question id: 1708

When antigen reaches a lymph node in a primed animal:

#Unit 4. Cell Communication and Cell Signaling

  1. There is an increase in the output of cells in the efferent lymphatics over the following 24 h

  2. There is a decrease in the output of cells in the efferent lymphatics over the following 24 h

  3. There is an immediate output of activated blast cells

  4. It is transported to the spleen

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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?
TLS Online TPP Program

#Question id: 23785

#Unit 7. System Physiology – Animal

What happens when rod cells hyperpolarize?