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