process, the bacterial colony was transferred from its medium containing the isotope 15N nitrogen to a new medium containing normal 14N. The results of this experiment is shown by the charts and the DNA diagrams below. Experimental products chart DNA diagram Parent DNA 14N 4N + 15N BN DNA densities First generation DNA Nsi + NH DNA densities 14N BN Second generation DNA 14N 14N + 15N BN DNA densities (a) Complete the diagram to show the DNA composition in the second generation. (b) State the hypothesis which is supported by the experiment above. (c) State ONE characteristic of the DNA structure which supports the hypothesis you mention in (b). (d) Name an enzyme involved in DNA replication.
process, the bacterial colony was transferred from its medium containing the isotope 15N nitrogen to a new medium containing normal 14N. The results of this experiment is shown by the charts and the DNA diagrams below. Experimental products chart DNA diagram Parent DNA 14N 4N + 15N BN DNA densities First generation DNA Nsi + NH DNA densities 14N BN Second generation DNA 14N 14N + 15N BN DNA densities (a) Complete the diagram to show the DNA composition in the second generation. (b) State the hypothesis which is supported by the experiment above. (c) State ONE characteristic of the DNA structure which supports the hypothesis you mention in (b). (d) Name an enzyme involved in DNA replication.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Bacterial Genomics
The study of the morphological, physiological, and evolutionary aspects of the bacterial genome is referred to as bacterial genomics. This subdisciplinary field aids in understanding how genes are assembled into genomes. Further, bacterial or microbial genomics has helped researchers in understanding the pathogenicity of bacteria and other microbes.
Transformation Experiment in Bacteria
In the discovery of genetic material, the experiment conducted by Frederick Griffith on Streptococcus pneumonia proved to be a stepping stone.
Plasmids and Vectors
The DNA molecule that exists in a circular shape and is smaller in size which is capable of its replication is called Plasmids. In other words, it is called extra-chromosomal plasmid DNA. Vectors are the molecule which is capable of carrying genetic material which can be transferred into another cell and further carry out replication and expression. Plasmids can act as vectors.
Question
Transcribed Image Text:2. In an experiment conducted by Meselson and Stahl to confirm the DNA replication
process, the bacterial colony was transferred from its medium containing the isotope 1'N
nitrogen to a new medium containing normal 14N. The results of this experiment is
shown by the charts and the DNA diagrams below.
Experimental products chart
DNA diagram
Parent
DNA
14N
14N + 15N
BN
DNA densities
First
generation
DNA
14N
HN + 15N
BN
DNA densities
Second
generation
DNA
14N
14N + 15N
DNA densities
(a) Complete the diagram to show the DNA composition in the second generation.
(b) State the hypothesis which is supported by the experiment above.
(c) State ONE characteristic of the DNA structure which supports the hypothesis you
mention in (b).
(d) Name an enzyme involved in DNA replication.
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