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TLS Online TPP Program

#Question id: 28567

How the cAMP phosphodiesterase RegA plays a crucial role in regulating intracellular cAMP levels cells & level of PKA activity?

#Unit 5. Developmental Biology
  1. by the phosphorylation of histidine in its sensor domain of DhkC 
  2. by the phosphorylation of an aspartate in its sensor domain of DhkC 
  3. by the phosphorylation of  histidine in its response regulator domain
  4. by the phosphorylation of an aspartate in its response regulator domain
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TLS Online TPP Program

#Question id: 11572

#Unit 7. System Physiology – Animal

When a person drinks alcohol, the rate of urination increases. Which of the following best accounts for the increase in urination above normal rates?
TLS Online TPP Program

#Question id: 1629

#Unit 4. Cell Communication and Cell Signaling

Clonal selection occurs when antigen is encountered by:
TLS Online TPP Program

#Question id: 1125

#Unit 4. Cell Communication and Cell Signaling

Examples of G protein–coupled receptors include

a. rhodopsin receptor.             b. β-adrenergic receptor.

c. insulin receptor.                   d. acetylcholine receptor.
TLS Online TPP Program

#Question id: 33275

#Unit 2. Cellular Organization

Which of the following is the central player in chromosome segregation?
a. Interpolar microtubules
b. Astral microtubules
c. K-fibers
TLS Online TPP Program

#Question id: 8683

#Unit 9. Diversity of Life Forms

Use the following information to answer the question.

Refer to the figure. Which of the following forms a monophyletic group?