Cells

1. What is the role of the cell wall of a plant cell?

  • it keeps out pathogen
  • it contains cell sap so keeps the plant turgid
  • it is tough so helps support the cell and helps it keep its place
  • it controls what enters and leaves the cell
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Other questions in this quiz

2. Which of these substances leave through the cell membrane?

  • cytoplasm
  • carbon dioxide
  • oxygen
  • glucose

3. A fruit is mashed with salty water and detergent. What does this do to the cells of the fruit?

  • They are destroyed completely
  • Nothing
  • They are broken open and nuclei released
  • They are separated individually in the mixture in a solid form

4. In a bacterial cell, where are genes located?

  • Bacteria do not have genes at all
  • On their legs
  • There is a single loop of chromosomal DNA carrying most of them and maybe some plasmid DNA carrying genes not found in the chromosomal DNA
  • The bacterial cell has nuclei which contain the DNA of the bacteria, thus the genes

5. If I magnified an item with a x5 eyepiece lens and it had 20x magnification, what would the magnification of the objective be?

  • x0.25
  • x4
  • x5
  • x100

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