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diagram a G-C basepair as present in double stranded DNA.Properly number all C and N atoms in the rings.Clearly indicate the hydrogen bonds and properly orient the pentose sugars and phosophates.You should also represent all funtional groups and atoms. (ie include -OH groups and hydrogens)
Throughout much of Europe, there has been a severe decline in mushroom population. On study plots in Holland, data collected since 1912 indicate that the number of mushroom species has dropped from 37 to twelve per plot in recent years.
An open system in which the growth rate is maintained by adding a nutrient at the same rate as that medium containing micro-organisms is removed is called
Provide a reason why it would be advantageous for eukaryotic cells to evolve elaborate internal membranes systems that allow them to import substances from the outside?
A friend has just returned from a trans-Atlantic jet aircraft flight and reported that the plane dropped about1000 m when it entered an "air pocket." Explain to a friend what apparently happened to cause this drop.
Connell results led him to conclude that Chthamalus' realized niche is smaller than its fundamental niche because of interspecific competition with Balanus.
A three-factor cross in Salmonella typhimurium was performed using bacteriophage P22. The cross was between an arg-leu-his- recipient bacterium and bacteriophage P22.
Trying to also get this serial dilution 2.0 mL of solute into 98.0 mL solvent, 2.0 mL of previous dilution into 98.0 mL of solvent, 2.0 mL of previous dilution into 98.0 mL of solvent. What is the final dilution factor?
Describe the molecular events that generate the "dark current" in photoreceptor cells;define the impact of this cycle on the typical resting.
What further adaptations have gymnosperms made for life on land when compared with the ferns?
List two possible mutations that might cause this phenotype. Be as specific as possible about the location of mutation. What led physician to make this diagnosis, and what might have caused the sudden attack.
Given the similarity in the appearances of puromycin and phenylalanyl-tRNA and the fact that puromycin prevents the elongation of a growing polypeptide by entering the A site instead of phenylalanyl-tRNA, as what kind of inhibitor would it be most..
When digested DNA is analysed using agarose gel electrophoresis the total size of fragments sometimes does not add up to the size of the original DNA molecule. How can this be explained and how can this be seen in ethidium bromide stained agarose ..
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