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5 Written questions

5 Matching questions

  1. Electrons
  2. RNA
  3. Common Features of life
  4. Lysosomes (Eukaryotic cells)
  5. Atomic Mass=...=...
  1. a 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
  2. b determine chemical properties of atoms = how it will react (bond) with other atoms
  3. c reads the genes and helps make proteins
  4. d =Mass number=protons+ neutrons
  5. e Order, regulation, growth & development, energy processing, response to the environment, reproduction, evolutionary adaptation

5 Multiple choice questions

  1. lack a membrane enclosed nucleus
    Nucleoid region, Ribosomes, Plasma membrane, Cell wall, Capsule, Pili, Flagella
  2. two types, DNA and RNA. DNA forms our genes, RNA reads the genes and helps make proteins, __________ _____ are composed of joined monomers called nucleotides. These nucleotides are composed of a sugar - deoxyribose (DNA) or ribose (RNA), a nitrogenous base (adenine, thymine, cytosine, guanine, or uracil), and a phosphate group
  3. some molecules have charged areas - this makes them polar. Polar areas of molecules can bond with polar areas of other molecules to form weak bonds called hydrogen bonds, hydrogen bonds make water cohesive
  4. 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. larger vesicles, membranous sacs that help in digestion, storage, or water removal

5 True/False questions

  1. Carbon skeletonchain of carbon atoms in an organic molecule


  2. fat= glycerol + fatty acid.
    are another source of energy but some may contribute to heart disease. Most plant __ are unsaturated oils and most animal __ are saturated.


  3. Mitochondria (Eukaryotic cells)found in plants and animals, chemical energy in food such as sugars is converted to an energy source useable in cells called ATP, ___________ have a membrane, an intermembrane space and matrix. Reactions take place in the matrix


  4. Hydrocarbons=molecules of carbon + hydrogen


  5. IsotopesProtons, Neutrons, electrons (subatomic particles).


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