#1
Which of the following is a monosaccharide?
Glucose
ExplanationMonosaccharides are single sugar molecules.
#2
What is the primary function of lipids?
Energy storage
ExplanationLipids primarily store energy and serve as structural components.
#3
Which of the following is not a component of a nucleotide?
Glycerol
ExplanationGlycerol is a component of lipids, not nucleotides.
#4
What is the function of an enzyme?
Facilitate chemical reactions
ExplanationEnzymes act as catalysts, speeding up chemical reactions.
#5
Which of the following is NOT a type of RNA?
Ribosomal DNA (rDNA)
ExplanationrDNA is not RNA; it's a form of DNA found in ribosomes.
#6
Which polysaccharide serves as an energy storage molecule in animals?
Glycogen
ExplanationGlycogen is the primary energy storage polysaccharide in animals.
#7
Which of the following is a characteristic of saturated fatty acids?
They have a higher melting point
ExplanationSaturated fatty acids lack double bonds and have higher melting points.
#8
Which of the following is NOT a function of nucleic acids?
Provide energy storage
ExplanationNucleic acids primarily store and transmit genetic information.
#9
Which of the following is a characteristic of proteins?
Contain peptide bonds
ExplanationProteins are made up of amino acids linked by peptide bonds.
#10
What is the structure of a nucleic acid?
A double helix of nucleotides
ExplanationNucleic acids, like DNA and RNA, have a double helix structure.
#11
Which of the following is NOT a function of carbohydrates?
Facilitate chemical reactions
ExplanationCarbohydrates primarily provide energy and structural support.
#12
What is denaturation in the context of proteins?
The alteration of a protein's shape and structure
ExplanationDenaturation disrupts the natural folding of proteins.
#13
What is the primary structure of a protein?
The sequence of amino acids
ExplanationThe primary structure of a protein is the linear sequence of amino acids.
#14
Which of the following is an example of a disaccharide?
Sucrose
ExplanationSucrose is composed of glucose and fructose.