Anyone have any answers for me? 1. The intensity of the characteristic color is

Question

Anyone have any answers for me?

1. The intensity of the characteristic color is directly proportional to the

a. type of biochemical present in sample

b. amount of biochemcial present in sample

2. A postivie control should have an intensity of:

a. 0%

b. 100%

c. Varies

3. Negative controls sometimes produced color.

a. True

b. False

4. If I2KI produces an orange color, starch is present in the sample.

a. True

b. False

5. When testing the potato, apple, milk, and liver, were all classes of biochemicals detected in each sample?

a. True

b. False

a. type of biochemical present in sample

b. amount of biochemcial present in sample

Explanation / Answer

1.The intensity of the characteristic color is directly proportional to the amount of biochemical present in sample

2. A postivie control should have an intensity of 100%

3. Negative controls sometimes produced color. True

4. If I2KI produces an orange color, starch is present in the sample: false ( I2KI PRODUCE DEEP BLUE COLOUR IF STRCH IS PRESENT IN SAMPLE)

5. When testing the potato, apple, milk, and liver, were all classes of biochemicals detected in each sample :TRUE( ALL GIVEN SAMPLE detect all biochemicals like protein carbohydrates lipid and nucleic acid except milk( milk does not contain nucleic acids)

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