Top answers

An enzyme catalyses only one reaction. Explain why.

Enzyme has a specific active site. Only one substrate will fit the active site.
AM
Answered by Amy M. • Biology tutor
8223 Views

What are surds and why are they used?

Surds are irrational numbers that can't be represented accurately as a fraction or reccuring decimal, so they are left as a square root. For example: √ 3 . Calculate the square root of 3 using your calculato...
AO
Answered by Aisling O. • Maths tutor
37932 Views

What is the trend in ionization energy across period 3 in the periodic table?

Ionization energy generally increases across period 3 because the nuclear charge increases but the shielding of the outer electrons remains relatively the same. This means that the electrostatic force of att...
TA
Answered by Tamara A. • Chemistry tutor
134699 Views

When and how is the imperfect subjunctive used in Spanish?

The imperfect subjunctive is used frequently in Spanish in numerous different occasions such as hypothetical situations or after certain verbs that convey instruction or doubt. The imperfect subjunctive is u...
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Answered by Ben T. • Spanish tutor
2088 Views

How do I lead the interview to where I can show off best what I can do?

Being quizzed in an interview isn't as daunting an idea as it seems, while the interviewers will be keen to evaluate how well you handle new information, they also know that you can talk at length about the ...
TS
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