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5 Written questions

5 Matching questions

  1. Cytoplasm
  2. Nucleus
  3. Cells vary in appearance, size, and shape.
  4. Endoplasmic Reticulum
  5. Evidence: mitochondria/chloroplasts resemble bacteria
  1. a Consists of cytosol--->jelly-like mixture
    Consists of organelles
  2. b 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
  3. c Size
    Single circular DNA molecule
    70 S. ribosome
    Reproduce autonomously
    Have own DNA and machinery
  4. d Enclosed in the nuclear envelope, contains most of the cells molecules of DNA that later condense into chromosomes as a cell prepares to divide.
  5. e ...

5 Multiple choice questions

  1. 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
  2. Ostritch egg
  3. ...
  4. Replication--->Transcription--->Translation
  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. Model OrganismsContain 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.

          

  2. All present day cells evolved from the same ancestor....

          

  3. LysosomesContain digestive enzymes

          

  4. RibosomesContain digestive enzymes

          

  5. Procaryote = before nucleusContain Bacteria/Archaea

          

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