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4 questions
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  • Q1
    Salivary amylase is an enzyme in humans that breaks down starches. What substance would humans have difficulty digesting without this enzyme?
    nucleic acids
    proteins
    carbohydrates
    lipids
    60s
    Bio.4.1.1
  • Q2
    A student noticed that the freshwater plant, Elodea, produced bubbles when placed in direct light. What could the student most likely conclude?
    Bubbles of carbon dioxide were produced as a result of photosynthesis.
    Bubbles of oxygen were produced as a result of cellular respiration.
    Bubbles of carbon dioxide were produced as a result of cellular respiration.
    Bubbles of oxygen were produced as a result of photosynthesis.
    60s
    Bio.4.2 1
  • Q3
    A contractile vacuole helps eliminate excess liquid. This is a “pumping" process which reduces pressure inside the cell and prevents the cell from bursting. What is most likely the source of energy for this process?
    ATP
    lipids
    ribosomes
    DNA
    60s
    Bio 4.2.2
  • Q4
    Which statement best explains how sweating during exercise maintains homeostasis?
    It regulates mineral concentrations in cells.
    It maintains sugar water balance
    It maintains water balance
    It regulates body temperature.
    60s
    Bio.1.2.1

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