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Describe how different environmental factors affect the direction of root and shoot growth in plants. You should refer to the role of plant hormones.

You could refer to the following. Shoots grow upwards towards light (positive phototropism) and grow against the force of gravity (negative gravitropism). Roots grow with the direction of gravity (positive g...
LP
Answered by Liam P. • Biology tutor
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Can there ever be universal moral truths? If not, what is the source of moral values?

This question is an example question from the ethics paper in the Philosophy IB course. If you're school has chosen for you to study the ethics paper, you will need to be familiar with the tension between co...
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Answered by Esther P. • Philosophy tutor
4644 Views

How do I write a good introduction to an exam question answer?

A good place to start is by critically engaging with the terms of the question itself. Show in your introductory paragraph that you have fully considered what the question is asking, and the nuances of the w...
RW
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Define the term 'income inequality'

Income inequality is a statistical measure concerned with the spread of the distribution of income amongst the population of an economy. It can be quantified through a variety of measures which condense the ...
ML
Answered by Matthew L. • Economics tutor
4562 Views

What is the difference between transcription and translation?

All cells use DNA as a code for making proteins: the sequence of base pairs in a long, string-like DNA molecule acts as a set of instructions for making a protein, which is also a long, string-like molecule ...
PB
Answered by Patrick B. • Biology tutor
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