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Author Archives: Anonymous

Find the derivative of the function.y = ln (9 + x 2)

Find the derivative of the function.y = ln (9 + x 2)

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Find the derivative of the function.y = ln 4x 2

Find the derivative of the function.y = ln 4x 2

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Rotenone is a chemical produced by some plants. For centurie…

Rotenone is a chemical produced by some plants. For centuries, plants containing this compound have been crushed up and used by indigenous peoples to poison and catch fish. Today, fisheries managers in the U.S. often use rotenone to kill aquatic invasive fish and invertebrate species, such as zebra mussels.  Rotenone is toxic to animals because it binds to protein complex I, which is part of the electron transport chain embedded in the inner membrane of the mitochondria. Rotenone inhibits the movement of electrons from complex I. A. Draw this diagram and show the processes that need to occur to produce ATP by oxidative phosphorylation. Be sure to include the function of NADH and FADH2 and O2 in your drawing Electron Transport Chain unlabeled figure.jpgB. Explain how alteration of oxidative phosphorylation processes by rotenone leads to the experimental results shown in figure 1 below. In this diagram CTL is the control treatment where ATP production was measured for cells under normal conditions. ROT is the rotenone treated cells. The affect of rotenone on cells is described in the paragraphs at the beginning of this question. Rotenone ATP decline graph.jpg C. Hypoxia, or lack of oxygen, results in changes in ATP production similar to those seen with the addition of rotenone. Use your knowledge of the cell respiration process to explain why lack of oxygen and exposure to rotenone result in similar changes in cellular ATP production.

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Evaluate the definite integral. dx

Evaluate the definite integral. dx

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Evaluate the integral using the given substitution.  dt, u =…

Evaluate the integral using the given substitution.  dt, u = 5 – sin 

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Find the derivative.y = 4e x2

Find the derivative.y = 4e x2

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Find the derivative of the function.y = ln 5x

Find the derivative of the function.y = ln 5x

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Find the most general antiderivative. dt

Find the most general antiderivative. dt

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A carbon atom in a polysaccharide is eaten by a person and e…

A carbon atom in a polysaccharide is eaten by a person and ends up in a muscle cell where it is used for energy and released from the body. A) Create a model that shows all the human digestive organs that the carbon will pass through as it travels to the small intestine epithelium.   B) On your model, indicate the molecule that the carbon is a part of as it enters the small intestine epithelium cell.  C) Add all locations where required digestive enzymes would enter the digestive tract and indicate the organ that is producing the enzymes.  D) In the space below, answer the following questions          i) What mechanism of transport is used to move the monosaccharide from the inside of the small intestine to the            .              inside of the epithelial cell?          ii) Why doesn’t this mechanism require energy if the monosaccharide is moving its low concentration to its high             .               concentration?          iii) What mechanism of transport is used to move the monosaccharide from the inside of the epithelial cell to the      .              capillary?E) Return to your model and add boxes to show the structures that the blood would need to pass through as it travels from the intestine to the muscle.  Be as thorough as you can about all the structures that the carbon would flow through.F) On your model, indicate where you find blood that is:          i)De-oxygenated and under low pressure          ii) Deoxygenated and under high pressure          iii) Oxygenated and under high pressure          iv) Oxygenated and under low pressureG) To use monosaccharides to produce ATP, the muscle cell will need oxygen.  i) Add boxes and arrows to the model to show the structures oxygen would need to pass through until it enters the muscle cell.ii) What process is causing oxygen to move from the alveoli to the capillary and then from the capillary to the muscle cell?iii) On your model write the reaction that will occur in the muscle cell to make ATPiv) Arrows to the model to show all the structures that CO2 would have to travel through as it moves from the muscle to the atmosphere

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Which of the following is not a characteristic of debt?

Which of the following is not a characteristic of debt?

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