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5 Written Questions

5 Matching Questions

  1. 3 Domains of Life
  2. Endoplasmic Reticulum
  3. Largest cell (length)
  4. All organisms carry out gene expression:
    -flow of genetic info.
    -allows for growth/processes
  5. Evidence: mitochondria/chloroplasts resemble bacteria
  1. a Irregular 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
  2. b Size
    Single circular DNA molecule
    70 S. ribosome
    Reproduce autonomously
    Have own DNA and machinery
  3. c Replication--->Transcription--->Translation
  4. d Giant squid nerve cell (39ft)
  5. e Archaea, Bacteria, Eukarya

5 Multiple Choice Questions

  1. Facilitate the chemical RXN involving hydrogen peroxide
    -can generate/degrade hydrogen peroxide
  2. 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
  3. 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.
  4. Contain Bacteria/Archaea
  5. ...

5 True/False Questions

  1. Cells are small because...(2)Surface/volume ratio:volume increases faster than surface area.
    Nucleus(the brain): can only control certain amount of active cytoplasm.

          

  2. Cells vary in appearance, size, and shape....

          

  3. VesiclesEnclosed in the nuclear envelope, contains most of the cells molecules of DNA that later condense into chromosomes as a cell prepares to divide.

          

  4. Eucaryote = true nucleus
    -Larger than procarote
    -membrane bound organelles
    Size
    Single circular DNA molecule
    70 S. ribosome
    Reproduce autonomously
    Have own DNA and machinery

          

  5. RibosomesContain digestive enzymes

          

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