Lecithin, a relatively small organic molecule found in various living tissues, belongs to which class of biomolecules?
Carbohydrate
Protein
Nucleic Acid
Lipid
Related Questions
Which of the following is NOT a lipid?
Cholesterol
Triglyceride
Glycogen
Phospholipid
A triglyceride is formed from glycerol and:
One fatty acid
Two fatty acids
Three fatty acids
Four fatty acids
Which component of lecithin contributes to its amphipathic nature, allowing it to form bilayers in cell membranes?
Glycerol backbone only
Fatty acid chains only
Phosphate group only
Phosphate group and fatty acid chains
If a fat molecule is hydrolyzed, what are the primary products?
Glycerol and fatty acids
Glucose and amino acids
Nucleotides and phosphates
Steroids and carbohydrates
Cellulose is a polymer composed of glucose monomers. Which of the following is NOT a polymer?
Proteins
Nucleic acids
Waxes
Glycogen
Which of the following is a derived lipid?
Triglycerides
Waxes
Steroid hormones
Phospholipids
Which of these is a steroid?
Glycerol
Palmitic acid
Cholesterol
Lecithin
Paraffin wax is
a complex carbohydrate.
a mixture of solid hydrocarbons.
a type of lipid found in plants.
a synthetic polymer.
During the formation of a fat molecule, how many water molecules are released?
1
2
3
4
A typical fat molecule is composed of:
One glycerol and three fatty acids
Three glycerols and one fatty acid
One glycerol and one fatty acid
Three glycerols and three fatty acids
