TLS Online TPP Program

#Question id: 11941


Under conditions of normal renal function, which of the following is true of the concentration of urea in tubular fluid at the end of the proximal tubule?

#Unit 7. System Physiology – Animal
  1. It is higher than the concentration of urea in tubular fluid at the tip of the loop of Henle
  2. It is higher than the concentration of urea in the plasma
  3. It is higher than the concentration of urea in the final urine in antidiuresis
  4. It is lower than plasma urea concentration because of active urea reabsorption along the proximal tubule
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TLS Online TPP Program

#Question id: 28867

#Unit 2. Cellular Organization

During Detyrosylation, tyrosine can be removed by a carboxypeptidase, where it sequentially removes the C-terminal tyrosine

TLS Online TPP Program

#Question id: 28868

#Unit 2. Cellular Organization

Which type of Post-translational modifications are likely mutually exclusive, so they would not normally occur at the same time but both can enhance microtubule stability?

TLS Online TPP Program

#Question id: 28869

#Unit 2. Cellular Organization

Which of the following protein associates preferentially with detyrosylated and acetylated microtubules?

TLS Online TPP Program

#Question id: 28870

#Unit 2. Cellular Organization

Which of the following modification has a key role in the beating of cilia and flagella ?

TLS Online TPP Program

#Question id: 30074

#Unit 2. Cellular Organization

Following statements were made about transposons:
A. Transposons have inverted terminal repeats and their integration generates inverted repeats at the flanks of the target site in the host genome.
B. A composite transposon can transpose as a unit.
C. The transposition event may cause deletions or inversions or move a host sequence to a new location.
D. The transposition event may cause deletions or inversions but cannot move a host sequence to a new location.
E. Replicative transposition proceeds through cointegration.

Which one of the following represents the combination of the correct statements?

TLS Online TPP Program

#Question id: 30075

#Unit 2. Cellular Organization

The enzyme that catalyzes the transposition of an IS element is called __________