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5 Written questions

5 Matching questions

  1. 3 Domains of Life
  2. Bacteria can be non-pathogenic, photoautotrophic, or pathogenic procaryotes
  3. Largest cell (length)
  4. Model Organisms
  5. Ribosomes
  1. a ...
  2. b E. Coli., brewers yeast, Arabidopsis, fly, mouse, fish, worm, human
    Easy to grow
  3. c Protein synthesis
  4. d Giant squid nerve cell (39ft)
  5. e Archaea, Bacteria, Eukarya

5 Multiple choice questions

  1. Packages/modifies molecules received from ER then transports
  2. Contain 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.
  3. The ancestral eucaryotic cell was a predator that fed by capturing other cells. Such a way of life requires a large size, a flexible membrane, and a cytoskeleton to help the cell move and eat. The nuclear compartment may have evolved to keep the DNA segregated from this physical and chemical hurly-burly, so as to allow more delicate and complex control of the way the cell reads out its genetic information.
  4. Surface/volume ratio:volume increases faster than surface area.
    Nucleus(the brain): can only control certain amount of active cytoplasm.
  5. Maintain 3-D structure of the cell
    Movement of organelles (microtubules)
    Generate contractile forces (actin filaments)
    Strengthen cell (intermediate filaments)

5 True/False questions

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

          

  2. Evidence: mitochondria/chloroplasts resemble bacteriaSize
    Single circular DNA molecule
    70 S. ribosome
    Reproduce autonomously
    Have own DNA and machinery

          

  3. Largest cell (volume)Giant squid nerve cell (39ft)

          

  4. PeroxisomesProtein synthesis

          

  5. MitochondriaConatin 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.