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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.
INTRODUCTIO N - Endocrinolog y - Study of endocrine glands, hormones and their effects. Thomas Addison - Father of endocrinology. Described hormonal disease in 1855 kn
Q. Using examples of invertebrate nervous systems how can the process of evolutionary cephalization be described? Considering the example of invertebrates it is observed that e
what are protein? What is the constituential uni. Of protein? Briefly explain the various forms of protein?
respiration through moist skin
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a) How would you destarch the leaves of a potted plant? b) How would you check that the destarching had been effective? a) If a potted plant is kept in darkness for
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Counselling involves a process, the aim of which is to help others to help themselves by making better choices and becoming better choosers of options. The counsellor's repertoire
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