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5 Written questions

5 Matching questions

  1. amino acids
  2. compound
  3. osmosis
  4. element
  5. stomata
  1. a any substance that cannot be broken down into simpler substances
  2. b small openings on the underside of leaves
  3. c small molecules that make up proteins
  4. d 2 or more elements combined chemically
  5. e diffusion of water through a selectively permeable membrane

5 Multiple choice questions

  1. process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated
  2. a type of protein that speeds up a chemical reaction.
  3. An energy releasing process that does not require oxygen
  4. contain the instructions that cells need to carry out all the functions of life
  5. The smallest unit of an element

5 True/False questions

  1. pigmenta colored chemical compound that absorbs light


  2. chromosomeeach identical rod, or strand, or the chromosome


  3. chromatidsmall openings on the underside of leaves


  4. organic compoundscompounds that do not contain carbon


  5. selectively premeablewhen some substances are allowed to pass through the cell membrane while others are not