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Matthew Meselson and Frank Stahl grew bacteria in media having either N14 or N15 for various numbers of cell divisions. DNA from the bacterial samples were isolated and spun within an ultracentrifuge. The differing distances travelled by the several DNA samples by the cesium-chloride gradients indicate which of the following?
A. DNA polymerase will read the template strand in the 3' to 5' direction and synthesize the new strands in the 5' to 3' direction.
B. During the cell cycle DNA will oscillate among states of de-condensation (S phase) and condensation (prophase thru anaphase)
C. The genome is comprised of double stranded DNA while mRNA is single stranded.
D. DNA replication is a semi-conservative process in which the parental strands serve as templates for the synthesis of new strands.
What are the valves of the venous system? What is their function? The valves of the venous system are structures within the veins that permit blood to flow only in the normal w
Q. Define the Glucose Tolerance Test? In Glucose Tolerance Test (GTT) if the blood sample is to be taken in the morning, patient is advised to follow fasting instructions i.e.
Explain about the forces acting on a gravity retaining wall. Forces Acting on a Gravity Retaining Wall: In a general way the forces that act on a gravity retaining wall. The
flowers formation without any leaves?
VOLVOX CHARACTERS
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what is known as respiration in animals?
To study if bacteria grow better where it is warm or cold Again inoculate two sterile dishes. Label one 'warm' and the other 'cold'. Place the 1st dish in a dark warm place an
How is litmus paper and testing for acid, base, and neutral, related to biology?
Determine the Symptoms of Shigellosis Symptoms: Pathogenicity involves the release of lipopolysaccharide endotoxin, which infects the intestinal mucosa. Shigellosis ranges fro
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