#Question id: 1349
#Unit 4. Cell Communication and Cell Signaling
The addition of a peptide with an RGD sequence would probably ? the binding of cultured cells to a fibronectin-coated dish.
#Question id: 681
#Unit 1. Molecules and their Interaction Relevant to Biology
How many monomers are there in an oligomeric protein designated αβ2γ2?
#Question id: 3386
#Unit 11. Evolution and Behavior
Which statement represents the best explanation for the observation that the nuclear DNA of wolves and domestic dogs has a very high degree of homology?
a) Dogs and wolves have very similar morphologies.
b) Convergent evolution has occurred.
c) Dogs and wolves not shared more recent common ancestor
d) Dogs and wolves shared a more recent common ancestor
#Question id: 12724
#Unit 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;
#Question id: 143
#Unit 1. Molecules and their Interaction Relevant to Biology
Which amino acid is ideal for the transfer of protons within the catalytic site of enzymes due to the presence of significant amounts of both the protonated and deprotonated forms of its side chain at biological pH?