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Your blot results show that one of the genes had a band by southern blot but no mRNA or protein produced when analyzed by northern and western blot.
a. What type of mutation in the coding region for this gene might result in no mRNA or protein production?
b. What kind of mutation outside of the coding region for this gene might result in no mRNA or protein production of this gene?
c. Describe two kinds of epigenetic changes that could result in no mRNA or protein production of this gene?
Living diatoms contain brownish plastids. If global warming causes blooms of diatoms in the surface waters of Earth's oceans, how might this be harmful to the animals that build coral reefs?
Determine what role does the hormone glucagon play in fatty acid metabolism?
Suppose that a new low calorie sweetener is developed. The structure is novel and is tested with the Ames test for mutagenicity.
The Rural Development Agency of Upper Camumba has just received a grant that will allow it to electrify the valley of Chinga Creek. Eight villages should be linked to the main power net at minimum total cost. Costs for each potential link, in thousan..
The mean commute time in the metro New York area is 45 minutes with a standard deviation of 15 minutes.
Researchers have adapted the principles of affinity chromatography to purify different types of protein, including lectin, recombinant protein and antibodies. Describe the ligand and matrix associated with isolating each of these three proteins.
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 how the results suggested that RNA is the intermediate.
Pseudomonas aeruginosa is a pathogen that affacts burn patients and people with cystic fibrosis. This organism manufactures a toxin called exotoxin A that inactivates elongation factors in eukaryotic cells.
Draw a biomechanical force diagram for the flexor carpi radialis muscle. Label the fulcrum, bones used as levers, force application point, and the resistance. What kind of lever system does this represent?
Which of the following do anaerobic methanogens produce?
Which transport mechanism can be visualized as a relay race? What is being transported like a baton in a relay race? What is being transported into cell by this process? Explain the steps of this transport process from start to finish nothing what..
What would be the effect on ATP production of adding a substance like 2,4-dinitrophenol(alprotonophore) that makes the mitochondrial membrane leaky to protons?
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