Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 47796
TLS Online TPP Program

#Question id: 1097

A signal transmitted via phosphorylation of a series of proteins is generally associated with which of the following events?

#SCPH28 | Zoology

  1. conformational changes to each protein in the series

  2. binding of a hormone to an intracellular receptor

  3. activation of a ligand-gated ion channel

  4. production of ATP in the process of signal transduction

More Questions
TLS Online TPP Program

#Question id: 2066

#SCPH01 Biochemistry

Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?
TLS Online TPP Program

#Question id: 2947

#I Life Science/ Life Sciences Group – I-V

You perform an experiment where you prevent Cdc20 from binding to APC  in a cell line that usually completes the cell cycle in 60 minutes. Your experiment prevents Cdc20 from binding to APC for 120 minutes, and then you fix and stain the DNA, securin, separase and cohesin proteins. Which of the following would NOT be found in the observed cell?
TLS Online TPP Program

#Question id: 2693

#SCPH05 I Biotechnology

Which of the following will form a palindromic sequence?
TLS Online TPP Program

#Question id: 10359

#SCPH05 I Biotechnology

Nitrate reductases of higher plants are composed of two identical subunits, each containing three prosthetic groups. Which of the following is not the prosthetic group of nitrate reductase;
TLS Online TPP Program

#Question id: 5542

#SCPH28 | Zoology

One stage of cleavage is the morula stage which is: