Practice Questions

TLS Online TPP Program

#Question id: 319

London dispersion forces are attractive forces that arise due to

#1. Molecules and their Interaction Relevant to Biology

infinitesimal dipoles generated by the constant random motion of electrons.
permanent dipoles of molecules containing covalent bonds between atoms of very different electronegativities.
the hydrophobic effect.
ion pairing between oppositely charged functional groups.

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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