Top answers

Which is the essential enzyme in the Calvin Cycle?

The answer is RuBisCo (or simply Rubisco). This enzyme helps in the formation of two 3-carbon molecules = glyceraldehyde-3-phosphate (G3P) from a pentose. The process involves the fixation of CO2 in the pent...
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Answered by Jane P. • Chemistry tutor
2812 Views

When do I need to put an accent (pronunciation rules)?

Spanish is great because it is a language which is completely phonetic, which means it is read exactly how it is written and always follows certain rules. One of those rules is about stress. All multi-syllab...
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Answered by Sebastian B. • Spanish tutor
4719 Views

What are the best ways to practise Spanish at home if no one speaks it?

In the modern era, there are more ways than ever to practise a language without knowing someone who speaks it. Obviously, if you do know someone, that'd be ideal, but until you meet a Spanish speaking friend...
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Answered by Sebastian B. • Spanish tutor
3875 Views

How do I add fractions?

When adding fractions, the denominators (the numbers at the bottom of the fractions) m ust be the same. If they are already the same, then you simply add the numerators (the numbers at the top of the fractio...
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Answered by Katie H. • Maths tutor
5431 Views

What does a negative velocity mean?

To understand this question, it is important to know that velocity has both a direction and a magnitude. The magnitude can be expressed by the unit m/s, however the direction is expressed by a vector. To dis...
TD
Answered by Thomas D. • Physics tutor
34931 Views