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What is the IS-LM model?

The IS-LM model is the Investment-Savings Liquidity Preference-Money Supply model. It displays equilibrium in the macro-economy when the two curves, IS & LM, intersect. LM Curve: Displays all the possibl...
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Answered by Sean H. • Economics tutor
4786 Views

What is the difference between mitosis and meiosis?

Meiosis is the process by which new gametes are formed in the testes and ovaries. Mitosis is the process by which all other cells of the body divide, for tissue growth and repair. One way of remembering this...
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Answered by Katy L. • Biology tutor
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Outline the ways in which the production of 'Twelfth Night' used Set-Design in scenes to create a modern day extravaganza.

The differences in set-design is one of the most noteworthy differences between the National Theatre’s production and Classical Production seen in the Jacobean period. The opening scee itself in the Contempo...
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Answered by Adam W. • Drama tutor
3176 Views

How do nerve impulses travel within a nerve cell?

The membrane of all nerve cells maintains a potential difference of -70mV by pumping positive Na+ ions out of the cell. This is called the resting potential. A nerve impulse is a change in this potential - a...
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Answered by Felix W. • Biology tutor
3513 Views

Describe the control of heart rate

1.) First starts in the sino-atrial node. 2.) Sino-atrial node sends out regular waves of electricity to the atrial walls in order to initiate heart beat.3.) This leads to contraction of right and left atria...
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Answered by Cian T. • Biology tutor
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