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Biological molecules

Quiz by Mubasshira

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23 questions
Show answers
  • Q1
    Which biological molecule is responsible for providing structural support and flexibility to plant cell walls?
    Cellulose
    Chitin
    Glycogen
    Starch
    30s
  • Q2
    Which biological molecule is involved in catalyzing chemical reactions in living organisms?
    Hormones
    Enzymes
    Antibodies
    Neurotransmitters
    30s
  • Q3
    Which biological molecule serves as the main structural component of cell membranes?
    Glycolipids
    Phospholipids
    Glycoproteins
    Cholesterol
    30s
  • Q4
    Which biological molecule is composed of long chains of monosaccharides?
    Nucleic acids
    Proteins
    Lipids
    Carbohydrates
    30s
  • Q5
    Which biological molecule is composed of a nitrogenous base, a sugar, and a phosphate group?
    Lipids
    Carbohydrates
    Nucleic acids
    Proteins
    30s
  • Q6
    Which biological molecule is primarily responsible for the storage of energy in living organisms?
    Nucleic acids
    Lipids
    Carbohydrates
    Proteins
    30s
  • Q7
    Which biological molecule is the primary source of energy for cellular processes?
    Glucose
    Nucleotides
    Fatty acids
    Amino acids
    30s
  • Q8
    Which biological molecule is known as the 'building blocks of proteins'?
    Fatty acids
    Nucleotides
    Amino acids
    Glucose
    30s
  • Q9
    Which biological molecule stores genetic information in cells?
    Protein
    Lipid
    RNA
    DNA
    30s
  • Q10
    Which of the following is not a monosaccharide?
    Sucrose
    Fructose
    Galactose
    Glucose
    30s
  • Q11
    Which polysaccharide is used by animals to store energy in their muscles and liver?
    Glycogen
    Chitin
    Starch
    Cellulose
    30s
  • Q12
    What type of linkage forms between monosaccharides to create disaccharides?
    Peptide linkage
    Glycosidic linkage
    Ester linkage
    Phosphodiester linkage
    30s
  • Q13
    What is the name of the process by which carbohydrates are broken down into glucose for energy production?
    Photosynthesis
    Krebs cycle
    Electron transport chain
    Glycolysis
    30s
  • Q14
    Which enzyme is responsible for breaking down starch into maltose?
    Amylase
    Pepsin
    Lipase
    TrpA1
    30s
  • Q15
    Which level of protein structure involves the three-dimensional arrangement of a single polypeptide chain?
    Secondary structure
    Tertiary structure
    Primary structure
    Quaternary structure
    30s

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