Unit 2

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Across
  1. 4. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  2. 6. nomenclature– classification system in which each species is assigned a two-part scientific name
  3. 7. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  4. 9. reaction- a reaction that releases energy (gives off heat)
  5. 10. in classification, a group of closely related families
  6. 12. reaction- process that changes, or transforms, one set of chemicals into another set of chemicals
  7. 13. reactant of an enzyme-catalyzed reaction
  8. 15. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  9. 18. genera)- group of closely related species; the first part of the scientific name in binomial nomenclature
  10. 22. largest and most inclusive group in classification
  11. 23. a trait that an organism has that allows for it to survive and reproduce at a greater rate
  12. 28. a complex cell that has a nucleus
  13. 29. material that organisms inherit from their parents
  14. 30. process of maintaining stable internal environment within a cell/organism
  15. 31. phyla)- in classification, a group of closely related classes
  16. 33. molecules composed of many monomers; makes up macromolecules
  17. 34. acid- compound with an amino group on one end and a carboxyl group on the other end
  18. 35. a larger, more inclusive taxonomic category than a kingdom
  19. 36. signal to which an organism responds
  20. 37. small chemical unit that makes up a polymer
  21. 38. substance that speeds up the rate of a chemical reaction
Down
  1. 1. a complex carbohydrate made up of many monosaccharides
  2. 2. biological catalysts
  3. 3. simple sugar molecule
  4. 5. reproduction- reproduction in which a single parent produces offspring, identical to the parent and each other
  5. 8. macromolecule made up of amino acids
  6. 11. name– A name used by scientists, especially the taxonomic name of an organism that consists of the genus and specie
  7. 13. reproduction- reproduction in which two parents produce unique offspring, different from the parents and each other
  8. 14. a large organic molecule made up of many atoms (like proteins)
  9. 16. reaction- a reaction that absorbs energy (absorbs heat)
  10. 17. elements or compounds that enter into a chemical reaction
  11. 19. acid- macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
  12. 20. in classification, a group of similar genera
  13. 21. name– refers to the colloquial name of a taxon or species. It is the name known to the general public or is based on any language
  14. 24. energy- energy that is needed to get a reaction started
  15. 25. in classification, a group of closely related orders
  16. 26. all the chemical reactions within an organism that build or break down substances
  17. 27. unicellular organism that lacks a nucleus
  18. 32. substance formed as a result of a chemical reaction
  19. 36. group of similar organisms that can breed and produce fertile offspring