<?xml version="1.0" encoding="UTF-8"?>
<question type="hotspot" width="450" height="530">
<text>Point out the enzyme-substrate complex.
</text>
<!--
The image on which the user has to point things out. maxChoices is the
number of pointers the user can add.
Attach it to the node using the upload functionality and de-select the
"list" option for each file to hide it from the user.
This example uses the following image:
-->
<matchImg src="[attachurl:EnzymCyclus.png]" maxChoices="1">
<!-- hotspots work similar to the html imagemap definition -->
<hotspot identifier="ESC" shape="circle" coords="275,68,68" />
<hotspot identifier="E" shape="circle" coords="85,259,70" />
<hotspot identifier="EPC" shape="circle" coords="325,335,70" />
<hotspot identifier="EPC" shape="circle" coords="325,335,70" />
<hotspot identifier="S" shape="rect" coords="0,21,43,121" />
<hotspot identifier="P" shape="rect" coords="173,436,278,500" />
<!-- hotspot identifier="shapeB" shape="rect" coords="162,182,180,226" / -->
<!-- hotspot identifier="shapeC" shape="poly" coords="174,282,258,293,320,318,366,360,267,468,207,438,149,443,99,465,85,486,7,416,7,354,64,307" / -->
</matchImg>
<hint mintries="1">It's about a complex, so a combination of substances.</hint>
<hint mintries="2">It's about a complex where the substrate has not yet been converted into the product.</hint>
<!--
mapping work like those in dragdrop and fillblanks questions. Use <and> <or>
and <not> to combine things.
-->
<mapping correct="1">
<match hotspot="ESC" />
<feedback mintries="0">
Very good!
</feedback>
</mapping>
<mapping correct="0">
<match hotspot="EPC" />
<feedback>
No, this is the enzyme-product complex.
</feedback>
</mapping>
<mapping correct="0">
<match hotspot="E" />
<feedback>
No, this is the free enzyme.
</feedback>
</mapping>
<mapping correct="0">
<not>
<match hotspot="P" />
</not>
<feedback>
You have not selected the free product. That's good but not perfect.
</feedback>
</mapping>
<mapping correct="0">
<match hotspot="S" />
<feedback>
No, this is the free substrate.
</feedback>
</mapping>
<mapping correct="0">
<not>
<or>
<match hotspot="ESC" />
<match hotspot="EPC" />
<match hotspot="E" />
<match hotspot="P" />
<match hotspot="S" />
</or>
</not>
<feedback>You have not selected any component!</feedback>
</mapping>
</question>