What is homologous recombination? What is site-directed
recombination?Compare and contrast the two processes. Address their
principles, molecular mechanisms, and physiological
functions.
1. What is homologous recombination? What is site-directed
recombination? Compare and
contrast the two processes. Address their principles, molecular
mechanisms, and physiological functions.
What are the differences between Holliday model recombination
and double-stranded break repair recombination? What experiments
can be conducted to determine which is taking place?
Let G be a group. The center of
G is the set
Z(G) = {g∈G
|gh = hg
∀h∈G}. For
a∈G, the centralizer of
a is the set
C(a)
={g∈G |ga
=ag }
(a)Prove that Z(G) is an
abelian subgroup of G.
(b)Compute the center of D4.
(c)Compute the center of the group G of the shuffles of three
objects x1,x2,x3.
○n: no shuffling occurred
○s12: swap the first and second items
○s13: swap the first and third items
○s23:...
Let G be a Group. The center of, denoted by Z(G), is defined to
be the set of all elements of G that with every element of G.
Symbolically, we have
Z(G) = {x in G | ax=xa for all a in G}.
(a) Prove that Z(G) is a subgroup of G.
(b) Prove that Z(G) is an Abelian group.
Let G be a bipartite graph and r ∈ Z>0. Prove that if G is
r-regular, then G has a perfect matching.
HINT: Use the Marriage Theorem and the Pigeonhole
Principle. Recall that G is r-regular means every vertex of G has
degree