Chap 2   Chapter 3 Self Quiz: Cells   Chap 4

  1. According to cell theory, all cells
    1. will produce more cells (wrong)
    2. have a nucleus that contains DNA (wrong)
    3. have a nucleus that contains RNA (wrong)
    4. have a nucleus that contains ribosomes (wrong)
    5. arise from pre-existing cells (correct)
      Hint
  2. A prokaryotic cell typically
    1. is smaller than eukaryotes (correct)
    2. is bigger than eukaryotes (wrong)
    3. has a nucleus (wrong)
    4. has many organelles (wrong)
    5. has no plasma membrane (wrong)
      Hint
  3. Ribosomes are structures that make
    1. DNA (wrong)
    2. proteins (correct)
    3. membranes (wrong)
    4. cytoplasm (wrong)
    5. sugars (wrong)
      Hint
  4. All cells possess
    1. nucleus (wrong)
    2. a plasma membrane (correct)
    3. mitochondria (wrong)
    4. endoplasmic reticulum (wrong)
    5. cell wall (wrong)
      Hint
  5. The interior of a phospholipid bilayer is composed of
    1. hydrophilic hydrocarbon tails (wrong)
    2. hydrophobic hydrocarbon tails (correct)
    3. hydrophilic heads (wrong)
    4. hydrophobic heads (wrong)
    5. isotonic tails (wrong)
      Hint
  6. The nucleus contains the nucleolus where ________ are made.
    1. ribosomes (correct)
    2. proteins (wrong)
    3. lipids (wrong)
    4. cholesterol (wrong)
    5. sugars (wrong)
      Hint
  7. Cellular respiration takes place in which organelle?
    1. nucleus (wrong)
    2. rough ER (wrong)
    3. smooth ER (wrong)
    4. mitochondrion (correct)
    5. chloroplast (wrong)
      Hint
  8. Photosynthesis occurs on the ________ membranes of chloroplasts.
    1. vacuole (wrong)
    2. ER (wrong)
    3. thylakoid (correct)
    4. nuclear (wrong)
    5. plasma (wrong)
      Hint
  9. Cytoplasmic connections through openings in the cell wall of plant cells are called
    1. vacuoles (wrong)
    2. pumps (wrong)
    3. tunnels (wrong)
    4. channels (wrong)
    5. plasmodesmata (correct)
      Hint
  10. Which of the following is part of the cytoskeleton of a cell?
    1. microtubules (correct)
    2. phospholipids (wrong)
    3. vesicles (wrong)
    4. cell wall (wrong)
    5. plasma membrane (wrong)
      Hint
  11. A ________ solution contains lower concentration of solutes outside the cell than inside, and water moves into the cell.
    1. hypotonic (correct)
    2. hypertonic (wrong)
    3. hyperphilic (wrong)
    4. hypophobic (wrong)
    5. supersonic (wrong)
      Hint
  12. Which of the following is responsible for maintaining an acidic pH in the stomach?
    1. nucleus (wrong)
    2. ER (wrong)
    3. microtubules (wrong)
    4. cytoskeleton (wrong)
    5. proton pump (correct)
      Hint
  13. A cell can take in material by folding plasma membrane around it, forming a vesicle; this process is called ________ .
    1. cytokinesis (wrong)
    2. mitosis (wrong)
    3. osmosis (wrong)
    4. endocytosis (correct)
    5. exocytosis (wrong)
      Hint

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