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29 Cards in this Set
- Front
- Back
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What is the largest unit of measurement? |
Centigram (cg). |
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748000 up = ? mL |
748 |
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350 cm = ? mm |
3500 |
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.350g = ? kg |
.000350 |
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Which reagent was used to test for simple sugars? |
Benedict’s. |
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Which reagent was used to test for starch? |
IKI. |
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Which reagent was used to test for proteins? |
Biuret. |
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Which reagent was used to test for lipids? |
Sudan IV. |
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Which would be an example of a positive Benedict’s test? |
Red color. |
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Which would be an example of a positive IKI test? |
Black/blue color. |
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Which would be an example of a positive Biuret test? |
Blue/purple color. |
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Potato juice tested positive for? |
Starch. |
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Butter tested positive for? |
Lipids. |
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Amylase is an enzyme whose substrate is _________. |
Starch. |
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Phenylthiourea (PTU) is an inhibitor of __________. |
Catechol oxidase. |
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Phenylthiourea is a __________ inhibitor. |
Non-competitive. |
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__________ inhibitors attempt to use the SAME active site as the substrate when using an enzyme. |
Competitive. |
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Which concentration of amylase should cause the starch to disappear the quickest? |
0.25. |
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Which of the following did amylase function optimally? |
pH 7. |
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Which of the following did amylase function optimally? Temp? |
22C. |
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79cc = ? mL |
79 |
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Which pH contains the greatest amount of H? |
ph 1, the lower the pH the more H content |
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Which contains the least amount of OH? |
pH 1, the lower the pH the less OH content |
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Which color illustrates the greatest amount of simple sugar? |
Red. |
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A _______ is a metal ion that is required for an enzyme to function correctly. |
Cofactor. |
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A “black” result is an example of a _________ control when testing for starch. |
Positive. |
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The independent variable should be graphed on the _____ axis. |
X. |
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Which is the first step of the scientific method? |
Observation. |
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Table 1: If 1L of lead at 24C is cooled to 14C, the volume will most likely: |
Decrease by .0009L. |
