Microbiology 351 Exam 1 Flashcards - Set 6

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  1. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - usually circular DNA
    - usually one chromosome
    - usually lack introns
    Bacteria
  2. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - Usually circular DNA
    - Usually one chromosome
    - A few introns
    Archaea
  3. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - Linear DNA
    - Multiple chromosomes, in pairs
    - Most genes have introns
    Eukarya
  4. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - DNA located in nucleoid region in cytoplasm
    Bacteria & Archaea
  5. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - DNA contained within membrane-enclosed nucleus
    Eukarya
  6. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - Cell membrane consists of straight-chain fatty acids ester-linked to glycerol
    Bacteria, Eukarya
  7. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - Cell membrane consists of branched-chain fatty acids ether-linked to glycerol
    Archaea
  8. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - Cell wall usually present
    - composed of peptidoglycan
    Bacteria
  9. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - Cell wall: if present, composed of proteins or pseudopeptidoglycan
    Archaea
  10. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - Cell wall: if present, composed of cellulose or chitin
    Eukarya

    Note: cellulose = algae, chitin = fungi
  11. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - Internal membranes may have energy-tranducing lamellae
    Bacteria
  12. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - Internal membranes uncommon
    Archaea
  13. Choose the appropriate domain (Bacteria, archaea, eukarya):
    - Internal membranes: has extensive membranous organelles
    eukarya
  14. True/False: All phospholipids have negatively charged heads
    False, they may have different charges
  15. Phospholipid ______ diffusion and ______ are very easy, while ____-_____ rarely occurs.
    lateral, rotation, flip-flop
  16. Unsaturated, kinked fatty acids are _____ packed and are _____ at room temperature.
    loosely, liquid
  17. Saturated, straight fatty acids are ____ packed and are _____ at room temperature.
    closely, solids
  18. Hydrophobic molecules such as O2, CO2, N2 are _____ ______ through the cell membrane.
    Freely permeable
  19. Small, uncharged polar molecules such as H20 and glycerol are _____ _____ through the cell membrane.
    slightly permeable
  20. Large, uncharged polar molecules such as glucose and sucrose are _______ through the cell membrane.
    Impermeable
  21. Ions such as H+, Na+, HCO3-, Ca2+, Cl-, Mg2+, and K+ are _______ through the cell membrane.
    Impermeable
  22. Cell volume increases _____ than surface area.
    faster
  23. Name two occurrences of serial endosymbiosis which lead to double membraned organelles.
    Mitochondrion, Chloroplast
  24. Where is the location of the following features in both, bacteria and mitochondria?
    Electron transport system (ETS)
    • Bacteria: Cell membrane
    • Mitochondria: Inner membrane
  25. Where is the location of the following features in both, bacteria and mitochondria?
    ATP synthase
    • Bacteria: Cell membrane
    • Mitochondria: Inner membrane
  26. Where is the location of the following features in both, bacteria and mitochondria?
    TCA cycle
    • Bacteria: Cytoplasm
    • Mitochondria: Matrix
  27. Where is the location of the following features in both, bacteria and mitochondria?
    Proton motive force
    • Bacteria: Protons diffuse from lower-pH extracellular environment into the cytoplasm across the cell membrane
    • Mitochondria: Protons diffuse from lower-pH intermembrane space into the matrix across the inner membrane
  28. Label the lettered parts:
    Image Upload
    • A) Cell wall
    • B) Cell membrane (plasma membrane)
    • C) Mitochondrion
    • D) Peroxisome
    • E) Chloroplast
    • F) Ribosomes
    • G) Smooth ER
    • H) Rough ER
    • I) Golgi complex
    • J) Nucleolus
    • K) Cytoskeletal element
    • M/N) Central vacuole
  29. Label the lettered parts:
    Image Upload
    • A) Cell membrane (plasma membrane)
    • B) cytoskeletal element
    • C) Nuclear envelope
    • D) Nucleolus
    • E) Chromatin
    • F) Centrioles
    • G) Golgi complex
    • H) Smooth ER
    • I) Rough ER
    • J) Mitochondrion
    • K) Ribosomes
    • L) Peroxisome
    • M) Lysosome
  30. Many proteins needed for synthesis are made in which part of the cell cycle?
    G1, first gap
  31. Interphase follows which stage of the cell cycle and happens immediately before what stage?
    G1 first gap, S DNA synthesis
  32. DNA is replicated in which stage of the cell cycle?
    S, DNA synthesis
  33. Materials needed for cell division are made during which stage of the cell cycle?
    G1, second gap
  34. What stage immediately follows G2 stage?
    Division, mitosis, M
  35. Do flagellum use ATP to rotate or bend?
    bend
  36. True/False: cilia are usually used to move the organism around.
    False, it's used less for moving and more for moving other things along.
  37. Eukaryotic flagella have similar function and appearance as the prokaryotic flagellum, but it employs a different mechanism of ______.
    movement
  38. The ______ is the region between the cytoplasmic membrane and the outer membrane in Gram-negative cells.
    A) S-layer
    B) lysozyme
    C) lipopolysaccharide
    D) cytolasm
    E) periplasm
    E) periplasm
    (this multiple choice question has been scrambled)
  39. Which of the following statements about prokaryotic chromosomes is true?
    A) It has a single origin of replication and the DNA is replicated unidirectionally.
    B) It has multiple origins of replication and the DNA is replicated bidirectionally.
    C) It has a single origin of replication and the DNA is replicated bidirectionally.
    D) It has multiple origins of replication and the DNA is replicated unidirectionally.
    C) It has a single origin of replication and the DNA is replicated bidirectionally.
    (this multiple choice question has been scrambled)
  40. Which of the following molecules can be easily transported by passive diffusion through membrane without any aid of transporters?
    A) CO2
    B) both C and D
    C) Na+
    D) peptioglycan
    E) glucose
    A) CO2
    (this multiple choice question has been scrambled)

Card Set Information

Author:
tulipyoursweety
ID:
315588
Filename:
Microbiology 351 Exam 1 Flashcards - Set 6
Updated:
2016-02-09 07:18:28
Tags:
microbiology
Folders:
microbiology
Description:
Eukaryotic Cell
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