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Pulse-chase experiments were vital for showing that RNA acts as an information-transfer intermediary between DNA and protein. Describe the basic steps of a pulse-chase experiment and explain in your own words how the results suggested that RNA is the intermediate.
List four conditions that facilitate the precipitation of calcium carbonate in the ocean and explain how each of these conditions is related to the healthy growth of the hermatypic corals.
What is the pK of the weak acid HA if a solution containing 0.1M HA and 0.2M A has a pH of 6.5?
Discuss about human genetic modification for traits other than to correct disease phenotypes such as eye or hair color,, athleticism, handedness
A patient has a stenotic mitral valve which has a reduced effective orifice area of 1.0 cm^2. The systolic ejection period is 330 milliseconds with a heart rate of 70 beats/min.
Would you expect the formation of a polymer from monomers to be spontaneous or non-spontaneous? Is energy required or released when polymers form? (entropy, order)
What is a main property of DNase that makes it useful for assessing whether chromatin is in a closed (tightly condensed) or open (loosely packed) configuration.
He says that the mere presence of DNA is not sufficient to prove the point: his cells may have adopted DNA as a useful molecule quite independently of all other known life forms. What would you do to convince him that he was wrong.
The genotypic frequencies of the MN blood groups in various populations are shown below. Given this information, determine if the genotypic frequenciesd are in general agreement with the Hardy-Weinberg law.
In Tomatoes, the allele for red fruit is dominant over the allele for yellow fruit. The allele for tall plants is dominant over the allele for short plants.
What factors contribute to membrane fluidity? List each and discuss the impact on fluidity of altering conditions on that factor in the membrane.
which of the following structures is the site of sperm maturation?
describe and sketch details of Gram-staines slides as viewed under the oil immersion abjective of the microscope.
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