TLS Online TPP Program

#Question id: 1109


What role do phosphatases play in signal transduction pathways?

#Unit 4. Cell Communication and Cell Signaling
  1. They transfer a phosphate group from one protein in the pathway to the next molecule in the series.

  2. They activate protein kinases by phosphorylation.

  3. They amplify the second messenger cAMP.

  4. They inactivate protein kinases to turn off signal transduction.

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TLS Online TPP Program

#Question id: 5287

#Unit 8. Inheritance Biology

Interrupted matting of different Hfr strain with F- E.coli cell resulting generation of following strain  Order of gene is

TLS Online TPP Program

#Question id: 23850

#Unit 2. Cellular Organization

Match the following class of myosin (Column I)  with their function (Column II)

COLUMN I

 COLUMN II

A. Myosin I

i. Organelle transport

B. Myosin II

ii. Contraction

C. Myosin V

iii. Membrane association, endocytosis

TLS Online TPP Program

#Question id: 13121

#Unit 2. Cellular Organization

--------- act as a nuclear export factor and directs the associated mRNP to the central channel of the NPC by transiently interacting with FG- nucleoporins.

TLS Online TPP Program

#Question id: 23608

#General Aptitude

Consider the following 1.B5D means B is the father of D 2.B9D means B is the sister of D 3. B4D means B is the brother of D 4. B3D means B is the wife of D Which of the following means F is the mother of K?

TLS Online TPP Program

#Question id: 11740

#Unit 6. System Physiology – Plant

Some given characteristics of the two types of sieve elements in seed plants such as Sieve tube elements and Sieve cells. Find out the  true characteristics of sieve tube elements from the given statements;

i) Found in angiosperms

ii) Sieve plate pores are open channels

iii) Albuminous cells sometimes function as companion cells

iv) P-protein is present in all eudicots and many monocots

v) There are no sieve plates; all sieve areas are similar