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16 questions
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  • Q1
    The first forms of life on Earth were most likely
    trilobites
    fungi
    amoebas
    bacteria
    30s
  • Q2
    A cell that has no true nucleus, circular strands of DNA, and few membrane-bound organelles is classified as
    an eukaryote
    a protist
    a prokaryote
    a virus
    30s
  • Q3
    The characteristic that places an organism into the classification of prokaryote is that the organism —
    has a diameter of less than a tenth of a millimeter
    is made up of only DNA with a protein coat
    lacks membrane-bound organelles
    is unable to produce chlorophyll
    30s
  • Q4
    DNA controls how cells grow, function and reproduce. DNA is found in a cell’s
    vacuole
    nucleus
    membrane
    ribosomes
    30s
  • Q5
    DNA and RNA are both types of
    proteins
    lipids
    nucleic acids
    carbohydrates
    30s
  • Q6
    Each type of polymer in living things has a basic subunit. What is the basic subunit of a carbohydrate polymer?
    Monosaccharide
    Amino Acid
    Nucleotide
    Fatty Acid
    30s
  • Q7
    Which of the following is a characteristic that all eukaryotes have in common?
    The ability to produce energy through photosynthesis
    The ability to break down compounds as decomposers
    Cells that have flagella
    Cells that contain nuclei
    30s
  • Q8
    Carbohydrates serve several important roles in the human body. Which of the following is one of the roles of carbohydrates?
    They are used as a fiber source for digestion.
    They are used to build muscle in the arms.
    They remove toxins from the blood.
    They help wounds to heal in the skin.
    30s
  • Q9
    Before hibernation, a bear must store large amounts of extra energy. Which type of macromolecule can store a large supply of energy that the bear will use over a period of several months?
    Nucleic acids
    Lipids
    Carbohydrates
    Proteins
    30s
  • Q10
    Living things consist of only a few different types of molecules. Which of these molecules has a basic unit called an amino acid?
    Carbohydrate
    Nucleic acid
    Protein
    Lipid
    30s
  • Q11
    The cell nucleus contains genetic information in —
    animals, but not plants
    plants, but not animals
    neither plants nor animals
    both plants and animals
    30s
  • Q12
    A specific type of cell is being studied by a scientist. She notices the cell contains a nucleus, a vacuole, a cell membrane and cell wall. What is the correct classification of this cell?
    A eukaryotic plant cell
    A eukaryotic animal cell
    A prokaryotic animal cell
    A prokaryotic plant cell
    30s
  • Q13
    Why are viruses not considered alive?
    They are too small
    They have no DNA
    They are found in dead things
    They are not made of cells
    30s
  • Q14
    A small amount of the virus given to someone for immunity is called a
    Antibiotic
    DNA
    Vaccine
    Protein
    30s
  • Q15
    What is the first stage of viral reproduction?
    Reproduction
    Entry
    Attach
    Releast
    30s

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