Lab: Identifying Nutrients

Question 1

In this lab, the only test that turned out positive was for

Revolt · Accepted Answer

polysaccharides.

Question 2

If the mystery food sample contained the nutrient, then it would change to the same color as the

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positive control.

Question 3

You tested for the presence of four different by adding to the three test tubes.

Revolt · Accepted Answer

nutrients; Selection 1: nutrients; Selection 2: indicators

Question 4

to the three test tubes.

Revolt · Accepted Answer

indicators

Question 5

Based on the data, was Zack, who ate the tofu, guilty of leaving a mess in the classroom? yes✔ no

Revolt · Accepted Answer

no

Question 6

Justify your answer.

Revolt · Accepted Answer

The mystery food sample did not test positive for protein using the Biuret indicator, so the sample can not be tofu, which is what Zack ate.

Question 7

Select question bcca6abd

Revolt · Accepted Answer

Nicole

Question 8

Justify your answer.

Revolt · Accepted Answer

The mystery food sample did test positive for Sudan red. Nicole ate salad dressing, which contains fat, a lipid. She is the likely culprit.

Question 9

Check all facts below that you included in your explanation.

Revolt · Accepted Answer

The mystery food sample tested positive for lipids using the Sudan red indicator.; Nicole ate salad dressing.; Salad dressing contains fat, a lipid.; Nicole is probably guilty.

Question 10

What is the name of the glass container above that you used to heat water?

Revolt · Accepted Answer

a beaker

Lab: Identifying Nutrients Answers

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