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5 Written questions

5 Matching questions

  1. Evidence: mitochondria/chloroplasts resemble bacteria
  2. Largest cell (volume)
  3. Bacteria can be non-pathogenic, photoautotrophic, or pathogenic procaryotes
  4. Vesicles
  5. Mitochondria
  1. a ...
  2. b Ostritch egg
  3. c Size
    Single circular DNA molecule
    70 S. ribosome
    Reproduce autonomously
    Have own DNA and machinery
  4. d Temporary storage organelles involved in transport by the processes of endocytosis/exocytosis
  5. e Conatin their own DNA and reproduce by dividing in two.
    Thought to derive from bacteria that were engulfed by some ancestor of present-day eucaryotic cells, creating a symbiotic relationship.
    Harness energy from oxidation of food molecules to produce ATP.
    Consumes oxygen and releases carbon called this process is called cellular respiration.

5 Multiple choice questions

  1. ...
  2. Facilitate the chemical RXN involving hydrogen peroxide
    -can generate/degrade hydrogen peroxide
  3. ...
  4. No nucleus
    DNA-one circular chromosome
    DNA not associated with histones
    No membrane enclosed organelles
    Divide by binary fission

    DNA enclosed in nucleus, multiple linear chromosomes DNA associated with histones,non-histone proteins
    Membrane enclosed organelles
    Require mechanisms
  5. Surface/volume ratio:volume increases faster than surface area.
    Nucleus(the brain): can only control certain amount of active cytoplasm.

5 True/False questions

  1. Cell shape depends on functionSurface/volume ratio:volume increases faster than surface area.
    Nucleus(the brain): can only control certain amount of active cytoplasm.

          

  2. Eucaryote = true nucleus
    -Larger than procarote
    -membrane bound organelles
    ...

          

  3. CytoskeletonMaintain 3-D structure of the cell
    Movement of organelles (microtubules)
    Generate contractile forces (actin filaments)
    Strengthen cell (intermediate filaments)

          

  4. Golgi ApparatusContain own DNAand reproduce by dividing in two.
    Thought to derive from bacteria that were engulfed by some ancestor of present-day eucaryotic cells, creating a symbiotic relationship.
    Contain chlorophyll/enzymes involved in photosynthesis to generate sugar and oxygen.
    Generate food and oxygen for mitochondria to use.

          

  5. Endoplasmic ReticulumIrregular maze of interconnected spaces enclosed by a membrane that transports material through-out the cell
    -Smooth ER:synthesis of lipids, carbs., steroids
    -Rough ER: protein synthesis through ribosomes