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Biology Benchmark I

Biology Benchmark I. Biological Molecules. Control Groups. Are used to compare your results to the experimental group. Experiment.

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Biology Benchmark I

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  1. Biology Benchmark I Biological Molecules

  2. Control Groups • Are used to compare your results to the experimental group

  3. Experiment • A scientist is testing mild for the presence of bacteria. Exactly 100 ml of a test solution must be added to each milk sample. Which of these instruments would most accurately measure the volume of the test solution?

  4. Measurement • Which unit is best for measuring the height of a newly sprouted plant?

  5. Water Is polar And a universal solvent

  6. Acids and Bases

  7. Double Helix

  8. Nucleotide

  9. Microscopes

  10. Proteins • Are made up of amino acids

  11. Vitamin D • Responsible for proper bone formation

  12. Enzymes • Help to speed up chemical reactions • Help to break down substances

  13. Nucleic Acids • Store hereditary information • Are found in our • DNA

  14. Carbohydrates • Are a good source of food • Are found in starches

  15. Toxins any poison produced by an organism, characterized by antigenicity in certain animals and high molecular weight, and including the bacterial toxins that are the causative agents of tetanus, diphtheria, etc., and such plant and animal toxins as ricin and snake venom.

  16. Rates of Reactions • Are affected by temperatures: • Colder temperatures slow down reactions • Warmer temperatures speed up reactions • As pH decreases so • will reaction rates

  17. Lab Safety • Wear goggles when using chemicals and glass • Know your safety symbols

  18. Benchmark I on Monday

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