Bio 111 Lab Quiz 3

Which biomolecule turns iodine solution black?

• complex carbohydrate (polysaccharide)
• protein
• simple carbohydrate (monosaccharide)
• lipid

Which reagent is used to test for simple carbohydrates (monosaccharides)?

• iodine solution
• Benedict's solution
• Biuret solution
• Sudan III solution

Which reagent is used to test for proteins?

• iodine solution
• Benedict's solution
• Biuret solution
• Sudan III solution

Tags

NGSS.HS-PS1-2

Which reagent is used to test for lipids?

• iodine solution
• Benedict's solution
• Biuret solution
• Sudan III solution

Which biomolecules did we test not for in the lab?

• simple carbohydrates (monosaccharides)

• lipids

• proteins

• nucleic acids

• complex carbohydrates (polysaccharides)

What color does Benedict's solution turn in the presence of a simple carbohydrate (monosaccharide)? Think about the color range chart and the intensity of the colors if it was present.

• range from yellow to red

• blue/black

• purplish/violet

• red

A chemical reaction in which a larger molecule is broken down into smaller molecules

• catabolic
• anabolic

Tags

NGSS.HS-LS1-7

A sum of all the chemical reactions in the body.

• catabolism

• anabolism

• metabolism

• fabulism

The benedict's test solution contains copper ions that are used to identify reducing sugars such as

• sucrose

• glucose and fructose

• dextose

• lactose

Tags

NGSS.HS-PS1-2

What does tonight's lab cover? ( could be more than one answer)

• microscope

• plant cells

• animal cells

• macromolecules