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Sickle-cell anemia is caused by an abnormal hemoglobin molecule that changed the shape of red blood cells. This disease can lead to various health complications that are often lethal. However, heterozygous individuals have minor symptoms. Moreover, heterozygous individuals show an advantage with decreased vulnerability to Malaria. The allele for Sickle-cell anemia is most common in tropical areas where malaria is common. Which population genetics phenomenon could be responsible for this?
The results are 1.1670×104 cpm for the normal diet and 7458 cpm for the low-protein diet conditions. You should createa graph similar to the one at the bottom of the figure that demonstrate the normalized results relative to the normal diet condition..
Restriction enzyme HinfI cleaves a five nucleotide DNA sequence GA(A/T)TC. The ambiguity in the central position - (A/T) - means that either A or T can occur in the cleavage site. Assuming that each of four nucleotides is equally likely to occur at a..
How can you tell the difference between an autosomal dominantpedigree and a polymorphism pedigree? If I am right, autosomaldominant affects every generation, affected moms and dads transmitto sons and daughters.
Describe the nitric oxide signal pathway in detail. Include upstream to when and where NO is generated and why to downstream where Viagra would have its effects. Include potential nitro glycerine complications.
Assume you have found a new Xenopus gene that codes for a RNA binding protein. You are not sure what its function is but you are interested in finding out as much as you can.
Describe how marine algae are different from terrestrial plants. How are they similar? What are the three major phyla? What are the differences between these groups?
What is the one-gene, one-enzyme hypothesis? What was the experimental evidence that supported this hypothesis?
Does biological evolution have any bearing on moral or ethical aspects of human life? Should biological evolution inform our morality? If biology has no role in discussions of ethics and morality, what should be the basis for these discussions?
p53 is a tumor-suppressor gene that is involved in 50% of all cancers. What is its normal function in cells? A.It activates cell growth B.It activates cell death C.It activates DNA repair D.b and c E.a and b Please explain how you got your answer.
Blue eyes (b) are recessive to brown eyes (B). In a population of Swedes 64% of the individuals have blue eyes. In a population of Armenians, 9% of the individuals have blue eyes.
in the principle of competitive exclusion there are no two species that can occupy the same niche. take that same
catabolic process and Which reaction does a kinase catalyze in a signal transduction pathway
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