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A set of Mendelian crosses involving two traits is performed. The first cross is between a plant with green and wrinkled seeds and a plant with yellow and smooth seeds. The F1 all have yellow and smooth seeds. The 160 F2 have 5 plants with green and wrinkled seeds, 33 with green and smooth seeds, 37 with yellow and wrinkled seeds and 85 with yellow and smooth seeds. A chi-squared test on these data is done to evaluate how well the data fit a hypothesis of independent assortment. In what range below is the value of chi-squared?
A population of fifty-thousand around a nuclear facility receives an average wholebody dose of 0.5 rad as a result of an accidental release of radionuclides.
Compare and contrast signaling by neurons which secret neurotransmitters at synapses to signaling carried out by endocrine cells, that secretes hormones into the blood, define the relative advantage of the two mechanisms.
In a maternity ward, four babies are accidentally mixed up. The ABO blood types of the four babies are known to be O, A, B, and AB. The ABO blood types of the fur sets of possible parents are determined, and used to determine which baby belonged t..
Fluorescently labeled annexin V is mixed with each vesicle preparation. The vesicles are washed to remove unbound annexin V and next examined by fluorescence microscopy. Presence of annexin V is detected by green fluorescence, as shown above. What ca..
Which of the following types of mammals occur worldwide?
Sometimes when a person is experiencing a heart attack they feel a sharp pain in their left arm. Their arm is not actually hurt, so explain how the wires get crossed and mind perceives pain in wrong place.
What phenotypes will you suppose among the 1024 offspring, and how many of each phenotype would you expect.Suppose that a cross is made between a fly with normal wings.
Your friend has now joined a lab that studies vesicle budding from the Golgi and has been given a cell line that does not form mature vesicles. He wants to begin designing some experiments but wasn't listening carefully when he was told about the mol..
When having tap water in a bottle, before shaking it, why are the dissolved oxygen levels high?
describe and sketch details of Gram-staines slides as viewed under the oil immersion abjective of the microscope.
explain short-chain or long chain fatty acids. When bacteria growing at 20 degree celsius are warmed to 30 degree celsius, are they more likely to synthesize membrane lipids with.
Suppose you remove your test cultures from the incubator and notice that one of them - a known fermenter - has a gas bubble in the Durham tube. Knowing that fermenters frequently produce gas, you ignore the bubble and proceed to the next step. Add..
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