Who proposed the semi-conservative model process of replication of DNA?
a) Karl Correns
b) Walter Sutton
c) Theodor Boveri
d) Watson and Crick
Semi-conservative replication of DNA was first demonstrated in……..
a) E. coli
b) S. pneumonae
c) Drosophila
d) human
Mode of replication in E.coli is ……….
a) conservative and bidirectional
b) semi conservative and bidirectional
c) conservative and unidirectional
d) semi conservative and unidirectional
Which statement best describes the semi conservative replication of DNA?
a) in each replication cycle, only one of the two strands in replicated
b) in each cycle one of the parental strands is conserved
c) in each replication cycle, the daughter cell acquire either the parental strands or strands
d) only half of the DNA is replicated in each replication cycle
E.coli fully labeled with N15 is allowed to grow in N14 medium. The two strands of DNA molecule of the first generation bacteria have………
a) different density but resemble parent DNA
b) same density but do not resemble parent DNA
c) different density but resemble parent DNA
d) same density and resemble parent DNA
According to semi-conservative model of DNA replication, the daughter DNA molecules…….
a) both consist of one new and one old strand
b) one consists new strands and other old (parent) strands
c) both molecule would be mixture of old and new fragments
d) none of these
