Biology nutrient tests

Carbohydrates can be tested by two different polymers, which ones?

• glycogen, sugars

• sugars, starch

• starch, glycogen

• proteins, starch

Nucleic acids have which chemical test?

• They do not have

• nucleus

• protein

• acidic

Which reagent is used to test glycogen?

• Ethanol

• Benedict

• Biuret

• Iodine

Which reagent is used to test proteins?

• Benedict

• Ethanol

• Biuret

• Iodine

Which reagent is used to test starch?

• Iodine

• Ethanol

• Benedict

• Biuret

Which reagent is used to test lipids?

• Biuret

• Iodine

• Benedict

• Ethanol

What is the positive result for starch test?

• Red brick

• White emulsion

• Purple

• Blue-black

What is the positive result for lipids test?

• Purple

• White emulsion

• Red brick

• Blue-black

What is the positive result for gycogen?

• Blue-black

• Purple

• Red-brick

• White emulsion

What is the positive result for proteins test?

• White emulsion

• Blue-black

• Red brick

• Purple