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TLS Online TPP Program

#Question id: 12308

 Which of the following statements is correct?

#Unit 7. System Physiology – Animal
  1. Urea reabsorption in the medullary collecting tubule is less than in the distal convoluted tubule during antidiuresis
  2. Urea concentration in the interstitial fluid of the renal cortex is greater than in the interstitial fluid of the renal medulla during antidiuresis
  3. The thick ascending limb of the loop of Henle reabsorbs more urea than the inner medullary collecting tubule during antidiuresis
  4. Urea reabsorption in the proximal tubule is greater than in the cortical collecting tubule
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TLS Online TPP Program

#Question id: 11435

#Unit 1. Molecules and their Interaction Relevant to Biology

Given the pka values of different acidic sites in cysteine the principle ionic form in which it exists at pH 7
TLS Online TPP Program

#Question id: 1437

#Unit 4. Cell Communication and Cell Signaling

Exposure to benzo(a)pyrene is most frequently associated with which type of cancer?
TLS Online TPP Program

#Question id: 26411

#Unit 3. Fundamental Processes

In the mammalian system which of the following is responsible for the removal of RNA primers of Okazaki fragments
TLS Online TPP Program

#Question id: 28740

#Unit 2. Cellular Organization

Which of the following is a major sites of oxygen utilization ?
TLS Online TPP Program

#Question id: 4077

#Unit 3. Fundamental Processes

Which of the following is (are) associated with most polyadenylation events?

a. cleavage of the 5´ end of the RNA molecule

b. an assembly of a large, multiprotein complex

c. the AAUAAA site upstream of where polyadenylation will occur

d. a GU-rich or U-rich region near the cleavage site

e. slow addition of A residues followed by rapid addition of 200 to 250 more A residues