TLS Online TPP Program

#Question id: 1297


What effect might an injection of RGD peptide have on tumor cells moving through the blood/lymph system?

#4. Cell Communication and Cell Signaling
  1. block cell attachment to new tissue and therefore prevent metastasis

  2. encourage clumping of cancer cells for removal by the immune system

  3. promote tumor cell binding to platelets and potentially lead to a fatal clot

  4. block integrin-mediated cell cycle progression

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TLS Online TPP Program

#Question id: 12722

#6. System Physiology – Plant

Eleven amino-acid consensus sequence motif TAQAAKEKAXE is repeated in the protein,  is the structural characteristics of which type of group of LEA protein?

TLS Online TPP Program

#Question id: 12723

#6. System Physiology – Plant

GroEL, GroES is an example of the  prokaryotic cell, this HSP protein is belong to the which of the following HSP class?

TLS Online TPP Program

#Question id: 12724

#6. System Physiology – Plant

In response to sudden, 5 to 10°C rises in temperature, plants produce a unique set of proteins referred to as heat shock proteins (HSPs). There are five classes of heat shock proteins found in plants such as;

       HSP class

 Examples (Arabidopsis / prokaryotic)

      Cellular location

 

I) HSP100

 

 

a) AtTCP-1 / GroEL, GroES

 

i) Cytosol

 

II) HSP90

 

 

b) Various AtHSP22, AtHSP20, AtHSP18.2, AtHSP17.6 / IBPA/B

 

ii) mitochondria

 

III) HSP70

 

 

c) AtHSP101 / ClpB, ClpA/C

 

iii) chloroplasts

 

IV) HSP60

 

 

d) AtHSP70 / DnaK

 

iv) endoplasmic reticulum

 

V) smHSP

 

 

e) AtHSP90 / HtpG

 

Match the following HSPs   with their correct location and the examples of the HSPs;


TLS Online TPP Program

#Question id: 12740

#13. Methods in Biology

Choose the incorrect statement for Agglutination.

TLS Online TPP Program

#Question id: 12741

#13. Methods in Biology

 What will happen if too much antibody is present in the Agglutination process?

TLS Online TPP Program

#Question id: 12742

#13. Methods in Biology

What will happen if too much antigen is present in the Agglutination process?