Watch Video About Experiement
• http://www.sumanasinc.com/webcontent/animations/content/mesel
son.html
• http://highered.mheducation.com/olcweb/cgi/pluginpop.cgi?it=swf::
535::535::/sites/dl/free/0072437316/120076/bio22.swf::Meselson%
20and%20Stahl%20Experiment
In the Meselson & Stahl experiment, which type of DNA forms a
band closet to the bottom of the centrifuge tube after
ultracentrifugation in a CsCl gradient?
A. DNA containing the isotope 14N
B. DNA containing the isotope 15N
C. DNA containing the isotope 14N & 15N
In the Meselson & Stahl experiment, which type of DNA forms a
band closet to the bottom of the centrifuge tube after
ultracentrifugation in a CsCl gradient?
B. DNA containing the isotope 15N
In the Meselson-Stahl DNA replication experiment, if the
cells were first grown for many generations in 15N
containing media, and then switched to 14N containing
media, what percent of the DNA had 1 light strand and 1
heavy strand after 2 generations of growth in 15N growth
media?
A. 0
B. 25
C. 50
D. 75
In the Meselson-Stahl DNA replication experiment, if the
cells were first grown for many generations in 15N
containing media, and then switched to 14N containing
media, what percent of the DNA had 1 light strand and 1
heavy strand after 2 generations of growth in 15N growth
media?
C. 50
• In the Meselson-Stahl DNA replication experiment, what percent of the
DNA was composed of one light strand and one heavy strand after one
generation of growth in 14N containing growth media?
A. 0
B. 25
C. 50
D. 75
E. 100
• In the Meselson-Stahl DNA replication experiment, what percent of the
DNA was composed of one light strand and one heavy strand after one
generation of growth in 14N containing growth media?
• E.100