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Cell wall: Quiz


Question 1: Although not truly unique, the cell walls of ________ are unusual.

Question 2: Key nutrients, especially water and ________, are distributed throughout the plant from cell wall to cell wall in apoplastic flow.
Greenhouse gasCarbon cycleCarbon sinkCarbon dioxide

Question 3: They are found in plants, bacteria, fungi, ________, and some archaea.
AlgaeCell wallPhotosynthesisWild fisheries

Question 4: [11] Bacterial cell walls are different from the cell walls of plants and fungi which are made of ________ and chitin, respectively.

Question 5: ________ - Nucleus (and Nucleolus) - Endoplasmic reticulum - Golgi apparatus - Peroxisome - Parenthesome
Cell membraneVesicle (biology)Cell (biology)Cell wall

Question 6: What does the following picture show?

  Chemical structure of a unit from a chitin polymer chain.
  Schematic of typical gram-positive cell wall showing arrangement of N-Acetylglucosamine and N-Acetlymuramic acid
  Diagram of a typical gram-negative bacterium, with the thin cell wall sandwiched between the red outer membrane and the thin green plasma membrane

Question 7: The names originate from the reaction of cells to the ________, a test long-employed for the classification of bacterial species.
Auramine OStainingAuramine-rhodamine stainGram staining

Question 8: It further permits the creation of a stable ________ environment by preventing osmotic lysis and helping to retain water.
Osmotic pressureOsmoregulationOsmosisTonicity

Question 9: The cells are held together and share the gelatinous membrane called the middle lamella, which contains magnesium and ________ pectates (salts of pectic acid).

Question 10: Not all species of ________ have cell walls but in those that do, the plasma membrane is followed by three layers of cell wall material.

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