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5 Written Questions

5 Matching Questions

  1. Elements
  2. Levels of Protein structure
  3. Lysosomes (Eukaryotic cells)
  4. Atoms
  5. Electrons
  1. a Combine to form compounds. Are formed of atoms.
  2. b Protons, Neutrons, electrons (subatomic particles).
  3. c determine chemical properties of atoms = how it will react (bond) with other atoms
  4. d Primary structure = sequence of amino acids
    Secondary structure = coiling to form an alpha helix or folding to form a pleated sheet - hydrogen bonding may be involved
    Tertiary structure - Overall, 3 - D shape, usually described as fibrous or globular
    Quaternary structure - many proteins have multiple peptide chains or subunits - how these fit together is called quaternary structure
  5. e hydrolytic enzymes are manufactured by the ER sent to the Golgi for finishing and repackaging in sacs called _________, ___________ merge with food vacuoles to digest food or destroy invading organisms -Abnormal __________ can cause diseases include Tay-Sachs - inability to break down lipids resulting in damage to nerves and brain

5 Multiple Choice Questions

  1. receives packages such as transport vesicles on one side, modifies products, then repackages in new transport vesicles for other sites
  2. ibers that run through the cell providing support, movement, anchorage and movement of organelles, 3 types - microfilaments, intermediate filaments, microtubules - the microtubule organizing center is called the centriole
  3. elements with the same atomic number, different mass numbers.
  4. =Mass number=protons+ neutrons
  5. have a membrane that surrounds nuclear material
    Components: Nucleus, Cytoplasm, Organelles, hydrophilic heads, hydrophobic tails,

5 True/False Questions

  1. Levels of Organizationbiosphere, ecosystem, community, population, organism, organ system, organs, tissues, cells, organelle, molecule, atom


  2. Ionic bondssome atoms lose or gain electrons to form ions. attraction between ions of opposite charge form ionic bonds


  3. DNAforms our genes,


  4. Nucleus (Eukaryotic cells)houses chromosomes (DNA + chromatin - protein), and nucleolus - site of ribosome parts assembly, in an membrane = nuclear envelope


  5. Common Features of lifechain of carbon atoms in an organic molecule


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