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Although this may seem annoyingly obvious, it is called the starch test: add several drops of iodine solution to a sample, and any starch present will cause a dark blue/purple/black coolour to form.

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15y ago

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If amylase is added to a sample of potato and you test it with Benedict's reagent 10 minutes later what do you expect of the results to be?

If amylase is added to a sample of potato, which contains starch, it will break down the starch into simpler sugars like maltose. When tested with Benedict's reagent after 10 minutes, you would expect a color change to occur, indicating the presence of reducing sugars. A positive result, typically seen as a color change from blue to green, yellow, orange, or red, suggests that amylase has effectively hydrolyzed the starch into sugars.


How would you test afood sample to see if it contained starch & fat?

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Which gas contains the most molecules in a 5.0 l sample?

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Which food source would provide a quick source of energy for the cells of the body?

I think a Banana would because it contains starch.


A chemical solution used to test starch is?

the answer to tis would be iodine because it is uses in the method to test for presence of startch in a leaf


Why would icing sugar test positive for starch?

Icing sugar contains cornflour or wheat flour sometimes to make it lighter and to make it flow easier. The starch content would come from either of those.


A scientist has analyzed the chemicals that make of a sample of an unknown substance. Which chemicals would be the best indicator that the unknown substance is a plant?

cellulose and starch


What cell contains certain structures that perform functions for the cell?

that would be the organelles


In what sport would you perform a 'Curveball'?

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What would be found in the clear area that would not be found in the blue area of a starch agar plate after the additon of iodine?

Another organism on the starch agar plate breaks down the starch into smaller sugars, and the starch intolerant organism in turn competes for the smaller sugars. As a result, you will see colonies of the starch user pop up first, and then smaller satellite colonies of the dependant organism will form around them.


Which part of the plant cell has starch?

Starch is stored in the chloroplasts of plant cells, particularly in amyloplasts, which are specialized organelles for starch synthesis and storage. Starch is primarily found in seeds, tubers, and roots of plants where it serves as a reserve energy source.


Is that ture A data file contains instructions for a computer on how to perform a specific task?

This would be true. A data file is a file that contains the data which controls the operations of a program or task, which is the instructions for how to perform the task or run the program.