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6. You've been experiencing acid indigestion lately, and you'd like a quick fix for the problem. You do a little research on the Internet and discover that your problem is caused by excess stomach acid. In the pharmacy aisles, you investigate various medications that might solve the problem.
a. If you could check the pH of the pharmacist recommended Pepcid-AC, what would you expect it to be relative to your stomach acid pH? Do not give pH values, just describe the relative concentration of H+ ions in both solutions and how these relate to pH7.
b. If you were able to chemically analyze your stomach fluid 30 minutes after taking two tablets, what would you find had happened to the ionconcentrations of your stomach fluid?
Explain how penetrance and expressivity can affect the expression of an allele and how epigenetic phenomena affect the observed pattern of inheritance.
A snapdragon with pink petals, black anthers and long stems was allowed to self-fertilize. From the resulting seeds, 650 adult plants were obtained.
Describe the similarities between electrical activity of a simulated neuron and the fast block to polyspermy that occurs during fertilization in sea urchins.
What are some of the unique circumstances of forensic genetic evidence.
Briefly describe how an F+ bacterium becomes an Hfr bacterium and what occurs in conjugation between Hfr and an F- recipient bacterium.
Based on the theory of evolution, which will adapt quickest an endangered species (say the kit fox) or the wide ranging and highly variable red fox?
The target of the project is for you to evaluate the effect of an acid on enzymatic activity. As part of this project, you must identify your source of enzyme and the acid used.
How do you explain why enhancers can be moved around within the DNA without affecting their activity, whereas the TATA box can only operate at one specific site?
An individual heterozygous for eye color, skin color, and number of eyes mates with an individual who is homozygous recessive for all three characters; what would be the expected phenotypic ratio of their offspring? [Hint: B = black eyes, b = oran..
Explain the process of skeletal muscle contraction, starting from the efferent motor neuron's action potential, and ending with the relaxation of the muscle.
A) In a population (Z), the frequencies of genotypes of a two allele locus (B and b) are f(BB) = 0.3, f(bb) = 0.6, f (Bb) = 0.1. Calculate the frequencies of both alleles.
Explain why do genomes of eukaryotes need to have multiple origins of replication, whereas bacterial genomes have only a single origin?
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