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What is a zymogen giving reference to an example?

A zymogen is the inactive form of an enzyme. For instance the enzyme pepsinogen is produced by chief cells in the gastric pits. Pepsinogen is a zymogen. Hydrochloric acid produced by the parietal cells of th...
LD
Answered by Laurence D. • Biology tutor
8931 Views

I find Poem analysis more difficult how can I handle it

I find poems to be the best way to tackle and anaylsis question. The way to look at them is in a series of steps. First off I look at the poem as a whole, what is the general message and feeling of the poem....
AB
Answered by Alice B. • English tutor
4321 Views

How can I organise my timing more efficiently

I believe that timing is one of the most important aspects of exams. For me giving yourself strict structures to your timing during exams is essential to getting the best answer. Figure out how much time you...
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Answered by Alice B. • English tutor
3723 Views

What are the most important points to consider when carrying out my EPQ?

The crux of an EPQ is that it is there not only to test your skills in your chosen product (i.e. fluency, coherency, depth of analysis etc in a project where the product is an essay) but also to test many of...
RB
11074 Views

Show that the following system of equations has an infinite number of solutions. x+y+2z = -2; 3x-y+14z=6; x+2y=-5

Substitute values of one equation into another. (1) x+y+2z = -2; (2) 3x-y+14z=6; x+2y=-5 (3). Substitute x in (1) and (2) from (3). We get -y+2z=3 in (1). We get -7y+14z=21 in (3). Since (3) is (1)*7, we can...
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Answered by Egidijus S. • Maths tutor
8002 Views