Extra Notes on Levinthal Paradox, signal peptides and NLSs
Describe Levinthal's Paradox.
o The folding of proteins is directed and even other protein helps. It driven by
Describe protein folding by "conformation sampling".
o Proteins did n
EXAM 2 REVIEW GUIDE
Typical Exam Protocol
Completely close (zipper, snap, latch, button, etc) all backpacks and book bags then slide them
underneath your seat before the exam is given out
Turn off cell phones and other electronic devic
What are the purines and pyrimides, how are they similar, how are they
o The purines are adenine and guanine, while pyrimidines are cytosine,
thyamine and uracil.
o Nitrogenous base that for a ring are called pyrimidines, bases that f
1. G-coupled, 7TM receptors- most common family of receptors in animals
2. Lipid anchords- a and gamma subunits of the G proteins are often attached to membranes via
covalent linkage to these.
3. Heterotrimetric G proteins- transduction ia a