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How is blood filtrated by the glomeruli in the kidneys?

Blood enters the glomerulus from the afferent arteriole at a very high pressure, so the hydrostatic pressure forces the contents of the blood out of the blood vessels, into the Bowman's capsule. However, a f...
JR
Answered by Joshua R. • Biology tutor
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Analyse the representation of space and its effects in Frances Hodgeson Burnett's, The Secret Garden.

Unlike reality, space within the novel has limits. All that happens and exists in the novel does so within the defined limits created by the author. Therefore, attention must be paid to the spaces in which t...
CP
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Light with a frequency of 200nm is shone on a sodium plate with a work function of 2.28eV and electrons start escaping the surface of the plate due to the photoelectric effect. What is the maximum kinetic energy of one of these electrons in eV?

The work function of a metal is the minimum amount of energy required for electrons to start escaping the surface. This means that if we calculate the energy of each photon from the light and subtract the wo...
RS
Answered by Robert S. • Physics tutor
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(i) What is the net agin of ATP in Glycolysis? (2 marks) (ii) Where is ATP used in Glycolysis?( 1marks)

(i) In the breakdown of glucose 4 ATP is produced, however 2 ATP are used leaving a net gain of 2 ATP.(ii) In the energy investment stage, 2 ATP molecules are used to phosphorylate glucose into fructose diph...
SP
Answered by Sofia P. • Biology tutor
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What is the difference between structural and interactionist theories?

This is quite a crucial area of sociology to understand as a general understanding of the type of theory will ultimately enable you to understand the aim of their views. Structural theories are the most comm...
VF
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