TLS Online TPP Program

#Question id: 3807


If the genes from the following list were damaged, which gene would most likely be repaired first?

#XL - Q Biochemistry
  1. the globin genes in a cell destined to become a chick red blood cell

  2. the heterochromatin in a liver cell

  3. the ovalbumin genes in a cell destined to become a chick red blood cell

  4. the antibody genes in a liver cell

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TLS Online TPP Program

#Question id: 13153

#General Aptitude

The in-radius of an equilateral triangle is of length 3 cm. Then the length of each of its medians is

TLS Online TPP Program

#Question id: 13158

#XL - R Botany

In which process, protein are first encapsulated in a membrane, then the contents of the resulting vesicle are degraded after the vesicle docks with a cytosolic lysosome.

TLS Online TPP Program

#Question id: 13202

#XL - R Botany

Which of the following sucrose-H+ symporter appear to be the major sucrose transporters in phloem loading into the companion cells;

TLS Online TPP Program

#Question id: 13203

#XL - R Botany

Intermediary cells are specialized companion cells that are involved in phloem loading in the plant. Which of the following pathway that have included the intermediary-type companion cells?

TLS Online TPP Program

#Question id: 13205

#XL - R Botany

The mechanisms that regulate the loading of sucrose from the apoplast to the sieve elements by the sucrose–H+ symporter await characterization. Possible regulatory factors include the following:
a) The solute potential or, more likely, the turgor pressure of the sieve elements
b) Sucrose concentration in the apoplast
c) The available number of symporter protein molecules
Which one of the mechanism that involve to regulate the loading of sucrose?

TLS Online TPP Program

#Question id: 13212

#XL - R Botany

The water at the top of a tree develops a large tension (a negative hydrostatic pressure), and this tension pulls water through the xylem this mechanism is called ,