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a. Analyze the DNA of the Phenylalanine hydroxylase (PAH) gene in a patient with phenylketonuria revealed a mutation in the protein coding region whose predicted effect would be to replace the amino acid aspartic acid, with histidine. Nevertheless, no mutant protein could be found in the patient’s cells. Briefly explain how this could happen.
b. How is it possible for a gene with a mutation in the coding region to encode a polypeptide with the same amino acid sequence as the non?mutant gene?
Explain the structure and function of cellular organelles.There exist several examples of the eukaryotic cells. Algae, Fungi, Plants, and animals are all composed of the eukaryotic cells. Some algae and fungi are unicellular organisms.
Which groups of foods are underrepresented or overrepresented in your diet? If you did not consume the recommended number of servings from each group, explain why. Propose how you might consume the recommended number of servings from each group in th..
Which virus caused it? Why was a viral culture completed after the Gram and acid-fast stain results were obtained.
Describe why digestion of lipids is difficult for digestive enzymes? What should happen to fats or lipids in order for digestion to be complete.
Explain the three kinds of the mammals based upon how their young grows.Explain briefly the functions of sensory neurons, inter-neurons, and motor neurons in nervous system.
Large folds in the stomach known ______ increase its surface area and also enable it to fold on itself when empty. The ______ is a valve that enables partially digested food out of stomach into the ______.
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.
You are conducting field work and discover two groups of squirrels living on opposite sides of a lake. How would you plan a study to find out whether these two groups belong to the same species.
The use of PCR and genetic approaches in biotechnology
Propane boils at -46oC. Propanol boils at 97oC. The difference is attributable to, Determine which of the following pairs of functional groups CANNOT react with each other by a dehydration reaction?
A cell biologist cautiously measured the quantity of DNA in grasshopper cells growing in cell culture. Cells examined throughout the G2 phase of the cell cycle contained 200 units of DNA. What would be the quantity of DNA at G1 of the cell cycle in o..
Suppose that the long ear lobes in humans is an autosomal dominant trait that exhibits 30 percent penetrance. A person who is heterozygous for long ear lobes mates with a person who is homozygous for normal ear lobes.
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