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What is an enzyme?

An enzyme is a protein catalyst . A catalyst is a substance which alters the rate of a chemical reaction. (So it can speed up a chemical reaction). The key thing about an enzyme is that it is not itself chan...
LD
Answered by Lauren D. • Biology tutor
11405 Views

Is their economic and cultural benefit to studying a humanities subject?

As university places become more hotly contested and admission interviews look to distinguish between the regurgitators and the critical thinkers, never has it been more important to display mental supplenes...
EP
3737 Views

How do I subtract one fraction from another?

If you have the question: What is 2/3 minus 1/5? You should start this question by looking at the demoniators (the bottom of the fraction). You want to get a number that is divisible by both 3 and 5. An exam...
JC
Answered by Jessica C. • Maths tutor
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What is Translation, and how do I approach it?

What is Translation? Translation, or Uebersetzung , is quite simply the art of rewriting a source text (ie, an original piece of writing in one language) into a piece of text that can be read in the target l...
OB
Answered by Oliver B. • German tutor
3445 Views

A walker falls through thin ice into very cold water. What does the body do to stop the core body temperature from falling too quickly?

The walker's body will do three things to help slow the decrease in core body temperature. The first is the walker will begin to shiver. Shivering is the spasming of muscles, the muscles as they work generat...
JT
Answered by Jack T. • Biology tutor
10978 Views