Unit 2.2 Review

Which reagent is used to identify simple sugars in food testing?

• Benedict's Solution

• Lugol's Iodine

• Biuret's Solution

• Brown Paper Test

What is the positive result for Lugol's Iodine in food testing?

• Blue

• Black

• Purple

• Translucent

Which reagent requires a hot water bath during testing?

• Benedict's Solution

• Lugol's Iodine

• Biuret's Solution

• Brown Paper Test

What macromolecule is identified by the Biuret's Solution?

• Proteins

• Carbohydrates

• Lipids

• Nucleic acids

Tags

NGSS.HS-LS1-1

Which nutrients should a person limit to stay healthy?

• Sugars

• Vitamins

• Minerals

• Fiber

What are the three subatomic particles?

• Protons, Neutrons, Electrons

• Atoms, Molecules, Compounds

• Ions, Isotopes, Elements

• Cells, Tissues, Organs

What is a polymer?

• A large molecule made of repeating units

• A single atom

• A type of cell

• A small molecule

Tags

NGSS.MS-PS1-1

What is a monomer?

• A single unit that can join to form polymers

• A large molecule

• A type of lipid

• A type of protein

What are lipids made of?

• Fatty acids and glycerol

• Amino acids

• Nucleotides

• Monosaccharides

What is the difference between saturated and unsaturated fats?

• Saturated fats have no double bonds; unsaturated fats have one or more

• Saturated fats are liquid at room temperature; unsaturated fats are solid

• Saturated fats are made of proteins; unsaturated fats are made of carbohydrates

• Saturated fats are hydrophilic; unsaturated fats are hydrophobic