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DNA was discarded as a possible candiate for the genetic material because:
a. with only four types of nucleotides, it was a very simple, repetitive molecule that can not account for 20 different amino acids
b. it had been shown that proteins were more important in transferring genetic information than nucleic acids
c. proteins andcarbohydrates were of more interest
d it was thought that RNA was a more likely to be the genetic material
Explain why are estuaries, like the Pamlico Estuary, so significant? Summarize the two different camps of the thought on life cycle of Pfiesteria.
Is this organism recovered more frequently as a nosocomial pathogen, as a community-acquired pathogen, or at similar rates in both settings? Elucidate your choice.
Write down an equation for the complete oxidation of glucose. What does this imply about the volume changes you would view if you simply sealed the pea seeds in a flask.
If the sample were heated with Methylene Blue stain and counterstained with Carbofushin will you still be able to determine which bacterium were acid fast? If so, which colour would indicate acid-fast.
When Purified Protein Derivative (PPD) isolated from Mycobacterium tuberculosis was injected into the skin of a patient, it caused an area of hardening 1 cm in diameter. How must this PPD test be interpreted? What caused the result.
find if your unknown organism ferments mannitol. What are the two tests?
Though, at the restrictive temperature, the minimum size required to enter mitosis is decreased greatly; as a result, diminutive daughter cells are produced.
define how prokaryotes and eukaryotes provide different. What does each category tell you about evolution; pick one from an early era and one from today or recent times.
Flask A includes yeast cells in glucose-minimal salts broth incubated at 30C with aeration. Flask B contains yeast cells in a glucose-minimal salt broth incubated at 30C in an anaerobic jar.
What will the results be for each plant if light only in the 650 nm range is supplied? 500 nm range? 450 nm range? Put in plain words.What colour is each plant? Give details.
Reverse transcriptase might be present in cells that have not been infected by a retrovirus since of the presence of what.
Utilize your imagination to describe two ways in which disturbance of the sort just described may affect the animals that live on the panels and amount of free space available.
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