Biology Benchmark

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Across
  1. 3. Organisms that obtain energy from foods it consumes.
  2. 7. Diffusion of water through a selectively permeable membrane.
  3. 8. First step of releasing energy of glucose.Glucose is broken into two molecules of pyruvic acidacid
  4. 10. Compound made up of carbon, hydrogen, and oxygen. Major source of energy for living organisms.
  5. 11. Homologous chromosomes exchange a portion of the chromatids during meiosis
  6. 12. When comparing two solutions, the solution with the greater concentration.
  7. 15. Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
  8. 17. One of two identical sister parts of a duplicated chromosome
  9. 20. When comparing two solutions, the solution with the weaker concentration.
  10. 22. Process by which cells release energy in the absence of oxygen
  11. 24. Compound that forms hydrogen ions in a solution.
  12. 27. Movement of the specific molecules across cell membranes through protein channels
  13. 28. Organism whose cells does not contain nuclei
  14. 30. A large compound formed from combinations of many monomers.
  15. 31. Macromolecule containing carbon, hydrogen, oxygen, nitrogen, and phosphorus. DNA and RNA are examples.
Down
  1. 1. Energy needed to start a chemical reaction.
  2. 2. Energy-requiring process that moves material across a membrane against a concentration difference
  3. 4. Protein that acts as a biological catalyst.
  4. 5. Organisms that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds.
  5. 6. Monomer of proteins. Compound of amino group, carboxyl group, and an R-group.
  6. 9. Large macromolecule formed from monosaccharides
  7. 11. A substance that speeds up the rate of a chemical reaction.
  8. 13. Compound that produces hydroxide ions in solution.
  9. 14. Process by which organisms maintain a stable internal environment
  10. 16. Macromolecule made up of carbon and hydrogen. Fats, oils, and waxes.
  11. 18. Process by which molecules tend to move from an area of higher concentration to an area of lower concentration.
  12. 19. Change over time
  13. 21. Small unit that can join together with other small units to form polymers.
  14. 23. System used to indicate the concentration of hydrogen ions
  15. 25. Series of events a cell goes through as it grows and divides
  16. 26. When the concentrations of two substances are the same.
  17. 29. Basic unit of life