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1. Robert, a smoker, is 52 years old. He has elevated blood pressure, in part, due to an elevated erythrocyte count. Knowing that smokers often have reduced plasma O2 levels, explain in detail (in a paragraph) why his erythrocyte count is elevated.
1-a. One treatment for hemolytic disease of the newborn is the slow replacement of the newborns blood. The replacement blood must be Rh^(-) even though the infants' blood is Rh^(+). Why?
1-b. Helen has hepatitis, which disrupts liver function. List four symptoms that she might experience based on the roles of the liver relative to the blood. Explain the basis for the symptoms as they relate to liver function.
The panspermia hypothesis proposes that life did not originate on Earth, but instead arose else where in the galaxy.
Explain how adult stem cells can sense and respond to the nutritional status of an animal. Explain what kind of cues an adult stem cell can respond to, and where these cues are coming from.
What is a polar molecule? Hydrogen bonding? Describe the high surface tension of water. How is this related to the proper function of the pleural serous membranes.
A karyotypically normal couple has a child with trisomy twenty-one Down syndrome. DNA analysis if 21q polymorphic markers reveals the following results.
The characteristic (trait) could be something like coloration pattern, length of the limbs, size of the teeth or beak, or any measurable trait that is inherited.
Compare and difference wave summation with recruitme nt. How are they similar? Describe how wave summation and recruitment are achieved in the body.
Why is the amount of oxygen consumed so much greater than the amount require to oxidize the added oxaloacetate or malate completely.
Does this represent a significant section from the Hardy-Weinberg ratios? Further studies show that the absence of the A/A genotype is due to the lethal effect of the A allele when homozygous.
A F1 AB/ab (coupling) was test-crossed. A progeny of 1000 individuals had the following phenotypes: 370 AB, 370 ab, 130 Ab, 130 aB. What is the distance in map units between genes A and B.
Compare and contrast protein digestion in the stomach and in the small intestine. Discuss the enzymes and other factors involved as well as hormones regulating these enzymes.
A can of Mountain Dew soda contains 46 g of sugar. Assume that your body completely digests this sugar, 170 kcal of heat energy is available from the sugar. Around how many grams of water will you have to evaporate as sweat to lose this 170 kcal of e..
A class of environmental science students decided to determine the composition of trees in a forest next to their campus. The students decided to conduct a point-quarter survey.
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