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Why is adolescence a critical period in human development?

The period between childhood and adulthood is a time of great transition and turbulence with regards to changing bodies, close relationships, and expectations. It is one of the most rapid phases of developme...
CK
Answered by Chloe K. • Psychology tutor
2259 Views

Tetrodotoxin (TTX) is a chemical found in pufferfish which binds to voltage-gated sodium channels causing inactivation via a conformational change. Poisoning can result in paralysis leading to death. How might this occur? (4 marks)

This question asks about nerve action potential generation. There are a couple of clues - these include 'voltage-gated sodium channels' and 'paralysis' which suggests the idea of failure of impulse transmiss...
RA
Answered by Rafee A. • Biology tutor
5505 Views

I buy a car from a dealership for £3500. The car depreciates in value for every year I own it. What is the value of the car after I have owned it for 18 months if it depreciates at a rate of 5 percent?

This is a compound interest problem. Here we have to put 18 months in terms of years. There are 12 months in a year, so 18 months is a year and 6 months. 6 months is half a year, so 18 months represents a ye...
LM
Answered by Lauren M. • Maths tutor
4037 Views

In triangle XYZ: XZ = 10 cm; YZ = 8 cm; cos Z = 1/8. Calculate the length of XY.

We can use the cosine rule to determine the lenght of XY. XY 2 = 10 2 +8 2 -2 10 8 cos ZXY 2 = 100+64-180 (1/8) = 144XY = 12
VH
Answered by Vencel H. • Maths tutor
7677 Views

Explain why Hitler was able to create a dictatorship in the period February 1933 to August 1934. You may use the following in your answer: the Reichstag Fire; the Night of the Long Knives. You must also use information of your own. (12)(Edexcel past Q)

It is important to recognise immediately that this question is asking you WHY Hitler was able to create a dictatorship. Detailing or describing important factors with no explicit link to the question means y...
WB
Answered by William B. • History tutor
12133 Views