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5 Written questions

5 Matching questions

  1. Endomembrane system (Eukaryotic cells)
  2. Lysosomes (Eukaryotic cells)
  3. protein
  4. Prokaryotic Cells
  5. hydrogen bonds
  1. a small nitrogen containing molecules, amino acids, are joined to form dipeptides which are joined to form polypeptides which may be joined to other polypeptides to from proteins. Proteins have unique 3 dimensional shapes or configurations that enable them to function as enzymes to catalyze reactions and function in other active ways.
  2. b lack a membrane enclosed nucleus
    Nucleoid region, Ribosomes, Plasma membrane, Cell wall, Capsule, Pili, Flagella
  3. c 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
  4. d 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
  5. e a system of interconnected membranes that run throughout the cell for synthesis, storage, and transport of products

5 Multiple choice questions

  1. have a membrane that surrounds nuclear material
    Components: Nucleus, Cytoplasm, Organelles, hydrophilic heads, hydrophobic tails,
  2. houses chromosomes (DNA + chromatin - protein), and nucleolus - site of ribosome parts assembly, in an membrane = nuclear envelope
  3. small RNA structures where proteins are manufactured
  4. some atoms lose or gain electrons to form ions. attraction between ions of opposite charge form ionic bonds
  5. Combine to form compounds. Are formed of atoms.

5 True/False questions

  1. cytoskeletonibers 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


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


  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. Electronsdetermine chemical properties of atoms = how it will react (bond) with other atoms


  5. fatreads the genes and helps make proteins