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Explain how blood glucose levels are controlled and how this is an example of negative feedback mechanisms.

The pancreas detects rises in blood glucose levelsThis triggers pancreatic beta cells to secrete insulin, and inhibits alpha cells from secreting glucagonInsulin stimulates the uptake of glucose into cell...

Answered by Hannah L. • Biology tutor

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Name three modifiable and three non-modifiable risk factors of coronary artery disease.

Modifiable; SmokingObesity High cholesterol
Non-modifiable; AgeGenderRace

Answered by Hannah L. • Biology tutor

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Identify the word class and archaic spelling patterns of the following words using appropriate terminology: A) 'Passe' B) 'Seruice' [4 marks]

This question highlights the importance of basic terminology and is specifically asking to identify the word class and archaic spelling pattern of each word. In order to decipher the two components the qu...

Answered by Aisha W. • English Language tutor

4573 Views

Explain the process of using de Moivre's Theorem to find a trigonometric identity. For example, express tan(3x) in terms of sin(x) and cos(x).

Identify de Moivre's Theorem: (cos(x) + isin(x))ⁿ = cos(nx) + isin(nx) 2) Deduce the correct value of n for the given problem. In this e...

Answered by Ollie L. • Further Mathematics tutor

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There is a Ferris wheel where the passengers are placed 10m away from the centre. At what speed must they be moving in order for them to feel completely weightless at the top of the wheel.

In order for the passenger to feel weightless, they must have a vertical acceleration equal to the acceleration due to gravity, i.e. they must be accelerating downward at a rate of 9.81m/s². ac...

Answered by • Maths tutor

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