experiment 4 chemical composition

which solution was used to test the presence of proteins

• Biuret Reagent

• Iodine Solution

• Benedict's Reagent

• Tween

All of the following are organic biomolecules EXCEPT:

• Nucleic Acid

• Proteins

• Ammonia

• Lipids

Which solution was used to test the presence of monosaccharides and reducing disaccharides?

• Iodine Solution

• Acetone

• Tween

• Benedict's Reagent

99% of living cells are composed of:

• Hydrogen, oxygen, carbon, and sulfur

• Hydrogen, oxygen, phosphorus, nitrogen, carbon, and sulfur

• Hydrogen, oxygen, nitrogen, carbon, and sulfur

• none of the above

Which of the following is an example of a monosaccharides

• Lactose

• Fructose

• Sucrose

• Maltose

Carbohydrates are divided into:

• 2 groups

• 3 groups

• 6 groups

• 4 groups

Lipids are

• Polar

• Non-polar

what is an example of an emulsifier

Water is a ____________ solvent

• Polar

• Non-polar

Amino acids are linked covalently by peptide bonds

• True

• False