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You perform a forward genetic screen to look for Arabidopsis thaliana mutants that are altered in cold stress responses. You find two mutants with opposite phenotypes. Mutant #1 is extremely resistant to cold stress (compared to the wild-type plant), and you identify the gene that has been mutated. It turns out that there is a single base pair mutation that changes a Lysine to an Arginine in the protein. Interestingly, this is the only lysine in this protein which contains 400 amino acids.The other mutant is less tolerant to cold stress than a wild type plant. This mutant contains a different single base pair mutation in the same gene as mutant #1. This mutation changes a codon encoding Glycine that is 10 amino acids from the Nterminal end of the protein, to a Stop codon.Explain why these specific point mutations in the same gene can cause radically different mutant phenotypes. In your answer, please discuss the role this gene plays in the cold response.
Why were there complaints then about night-blindness, bone demineralization, and blood-clotting problems. If they have a large family, in what ways have to the colorblindness trait affect their children.
How various of each possible phenotype. A locus in Australian Bearded Dragons is involved in the production of pigment. When heterozygous parents mate, 75% of the progeny are colored and the rest are albino.
Tina administered 1 liter of sterile distilled water IV to a patient. Predict the direction you would expect Tina's infusion to have produced in these parameters, and describeyour predictions.
Huntington disease is an autosomal dominant trait that causes neurodegeneration later in life. Matt, who is too young to show the phenotype of Huntington disease,
Glucocorticoid drug inhalers are often included in a treatment regimen for asthma. Determine the purpose (mechanism) underlying the use of this medication.
The Kirb-Bauer Disk Diffusion Technique was performed on 2 different Mueller-Hinton Agar plates. One plate had Escherichia Coli spread on it and the other plate has Staphylococcus Epidermidis spread on it.
Discuss why is the ovulate cone of a pine designed to be so much more durable than the staminate cone? Find the advantage of having seeds rather than spores?
Suppose that a series of compounds has been found in Neurospora . Compounds A-F appear to be members of an enzyme pathway.
Determine which of the following can contribute to stabilization of the secondary structure of a protein? (Select ALL that are TRUE.
Suppose that you are given a mixture of proteins that you examine by standard 2-D electrophoresis, with the following results for isoelectric points and apparent molecular weights.
White fruit color in summer squash is dependent on dominant allele W and colored fruit on recessive allele w. In the presence of ww and a dominant gene G, the color of the fruit is yellow.
Determine the treatment of non typhoidal salmonellosis as per the latest current guidelines? Provide the Drugs & their dosages. please ans in detai
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