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Curve C has equation y=(9+11x)/(3-x-2x^2). Find the area of the curve between the interval (0, 1/2). State your answer in exact terms.

The word "area" should highlight that it is an integration question to the student. The interval asked for is (0,1/2) and so the curve should be integrated between that interval.The first task is t...
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Answered by Isha A. • Maths tutor
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Describe how blood is pumped around the heart and the body.

Deoxygenated blood from the body is delivered to the right atrium by the vena cava. The right atrium contracts and blood flows into the right atrium. The right ventricle then contracts and blood is pumped to...
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Answered by Bel R. • Biology tutor
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What is involved in the fight or flight response?

The fight or flight response is triggered when the brain registers a threatening stimulus. It mobilizes the amygdala, sending a message to the hypothalamus which triggers activity in the sympathetic branch o...
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Answered by Lottie T. • Psychology tutor
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How does the water potential in the medulla of the kidney remain lower than the water potential in the loop of Henle?

The loop of Henle is designed so that the water moves out of the thinner walled descending limb by osmosis and then ions such as Na+ and Cl- are actively transported out of the ascending limb. This active tr...
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Answered by Oliver G. • Biology tutor
6659 Views

three part question 1. what are dissacharides 2. what are maltose, lactose and sucrose formed of 3. what is the bond between them called

the biological molecule formed from the condensation reaction between 2 monosaccharidesmaltose is 2 glucose monomers, lactose is glucose + galactose and sucrose is glucose + fructosea glycosidic bond
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Answered by Omkaar D. • Biology tutor
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