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Develop the suitable 2x2 table, determine and interpret the suitable measure of the association. You suspect that the link between the alcohol utilize and CHD might be confounded by the smoking. You collect the following data:
Smokers
Non-Smokers
CHD
No CHD
Alcohol Use
80
40
10
20
No Alcohol Use
Determine the suitable measure of the association between alcohol use and CHD in both the smokers and the non-smokers. Explain whether the smoking was a confounder of association. Explain the relationship of the alcohol use to CHD after controlling for confounding?
What is the function of the polymerase chain reaction (PCR) in genetic engineering? To cut DNA into many fragments.To carry DNA into a new cell.To make millions of copies of a specific segment of DNA.
With respect to the case-control studies compare the usefulness of the hospital and neighbourhood (community) controls. Your comparison must involve a comparison of the cost, feasibility, co-operation of the controls, recall bias, selection of contro..
Why may selfing be selected for in nature yet still be an ‘evolutionary dead end'. How many kilocalories must Janine eat each day to maintain her present body weight.
What are the most important chemical similarities or difference between triacyglycerols and glycerophospholipids that leads to their respective functions.
An organism is discovered that consumes a considerable amount of sugar, yet does not gain much weight when denied air. Curiously, the consumption of sugar increases as air is removed from the organism's environment, but the organism seems to thrive e..
For NaCl, which MWCO membrane(s) offered for the net movement of water without the movement of NaCl? For glucose, which MWCO membrane(s) offered for the net movement of glucose without net movement of water?
Is this organism recovered more frequently as a nosocomial pathogen, as a community-acquired pathogen, or at similar rates in both settings? Elucidate your choice.
Changes in temperature and pH along with Substrate Concentration and Enzyme Concentration were the conditions tested in experiment. because warm water is less dense then cold water, would you predict any difference between spines of warm water indivi..
While two monohybrid round squashes are crossed, the offspring ratio is ¼ flat, ½ oblong, ¼ round. Squash shape is therefore controlled by incomplete dominance. What offspring ratio would you expect from a cross between a plant with oblong fruit and ..
Beaker A contains 25 percent salt solution. A differentially permeable bag (permeable to water not salt) containing 50 percent salt solution is allowed to float on top of the solution in Beaker A. What will occur.
Fats in the diet have satiety value they stay in stomach longer so we feel fuller longer. Fats provide protective coatings on the body surfaces to help prevent dehydration. Lipids - 2 what are the main categories of lipids found in humans.
A color-blind woman marries a man with the normal color vision. They have ten children, six boys and four girls. How many have normal vision? How many are color- blind?
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