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Bio - Unit 2 Review

Quiz by Alicia McGeorge

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14 questions
Show answers
  • Q1
    When an atom gains or loses an ELECTRON, it becomes known as:
    an isotope
    an ion
    a different element
    a covalent bond
    30s
  • Q2
    When an atom gains or loses a NEUTRON, it becomes known as:
    a different element
    an isotope
    an ion
    an ionic bond
    30s
  • Q3
    When two atoms SHARE electrons, the bond is called:
    ionic
    hydrogen
    covalent
    metallic
    30s
  • Q4
    When one atom STEALS an electron from another, the bond is called:
    ionic
    covalent
    hydrogen
    metallic
    30s
  • Q5
    The bond formed between several water molecules, contributing to surface tension, is called
    ionic
    covalent
    metallic
    hydrogen
    30s
  • Q6
    Lactase breaks down lactose into glucose and galactose. Which of the following options is TRUE...
    lactase is the substrate
    glucose & galactose are substrates
    lactose is product
    lactose is the substrate
    30s
  • Q7
    Enzymes only work with a specific substrate because...
    the enzyme can be reused
    the enzyme speeds up the chemical reaction
    the enzyme has a specific active site for substrate attachment
    30s
  • Q8
    Adding a base to pure water would increase the pH of the water.
    false
    true
    30s
  • Q9
    Substances with a lower concentration of H+ ions are usually acidic.
    TRUE
    FALSE
    30s
  • Q10
    Which group's monomers are called nucleotides?
    proteins
    lipids
    carbs
    nucleic acids
    30s
  • Q11
    Which group is required for short-term energy?
    proteins
    nucleic acids
    carbs
    lipids
    30s
  • Q12
    Which group doesn't have a true monomer?
    nucleic acids
    carbs
    lipids
    proteins
    30s
  • Q13
    Which group includes hormones and steroids?
    proteins
    lipids
    nucleic acids
    carbs
    30s
  • Q14
    Which group is made up of monomers called monosaccharides?
    proteins
    lipids
    nucleic acids
    carbs
    30s

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