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LIFE MATCHING: Place the generally recognized levels of organization in order, from most to least, complex. LEVEL OF ORGANIZATION CHOICES BIOSPHERE A. ATOMS 1. B. BIOSPHERE ___________E COMMUNITY___________________________ C. CELLS 2. ______________________ABC_ D. COMMUNITY 3. _________________ ORGANISM CE E. ECOSYSTEM 4. ___________________BE AB. ELECTROLYTES 5. __________________BD AC. ENERGY 6. ________________TISSUES ABD AD. LIFE CYCLE 7. ___________________CELLS C AE. METABOLISM ORGANELLES_______________ BC. MOLECULES 8. BD. ORGAN ___________________BC MOLECULES ATOMS BE. ORGAN SYSTEM CD. ORGANELLES CE. ORGANISM DE. PLANET ABC. POPULATION ABD. TISSUE 9. All life comes from A. Pre-Existing Life B. Spontaneous Generation C. Outer Space D. Dead things E. Nothing Page 1 of 6 840956428 CELLS AND CELL CHEMISTRY 10. Which of the following are prokaryotic cells? A) plants B) fungi C) bacteria D) animals E) B and C only 11. All of the following molecules are part of the cell membrane except A) lipids. B) nucleic acids. C) proteins. D) phosphate groups. E) steroids. 12. Most of an organism's DNA is carried by its _____. A. chromosomes B. endoplasmic reticulum C. mitochondria D. ribosomes E. nucleoli 13. All cells come from A. Pre-Existing Living Cells B. Spontaneous Generation C. Outer Space D. Organic molecules E. Pond Water Page 2 of 6 840956428 14. Why are biologists so interested in chemistry? A. Chemicals are the fundamental parts of all living things. B. Most chemicals are harmful to living things. C. They know little about life except the chemicals it is made from. D. If you understand the chemistry of life, you can make a lot of money. E. Everything about life can be known by understanding its chemistry. 15. There are _____ naturally occurring elements. A. 92 B. 45 C. 230 D. 25 E. 108 Page 3 of 6 840956428 MATCHING: Match the term with its corresponding symbol # TERM CODE SYMBOL 16. __ CARBON A A. C 17. __ GLUCOSE B B. C6H12O6 18. __ HYDROGEN AE C. CA 19. __ NITROGEN BE D. C2H5OH 20. __ ETHANOL D E. CH3O6 21. __ OXYGEN AB. Cl 22. __ WATER AC. CO2 AD. Cu AE. HO2 BC. H2 BD. H2O BE. K CD. Mg CE. N2 DE. Na ABC. O2 ABD. PO4 ABE S2 ACD Si The most fundamental equation of LIFE is: H2O + CO2 + ENERGY PRODUCES C6H1206 + O2 23. Read from left to right, this equation summarizes which process: A. Calvin cycle B. elemental chemistry C. citric acid cycle D. photosynthesis E. cell respiration Page 4 of 6 840956428 24. Read from right to left, this equation summarizes which process: A. Calvin cycle B. elemental chemistry C. citric acid cycle D. photosynthesis E. cell respiration 25. All cells are enclosed by a plasma membrane that is similar in ________ and ________TO CELL MEMBRANES IN ALL LIVING THINGS . A) thickness . . . composition B) permeability . . . content C) proteins . . . lipids D) lucidity . . . texture E) structure . . . function LIFE’S MAJOR MOLECULES MATCHING Match the term with the constituent TERM Constituent 26. Proteins E 27. Carbohydrate 28. Lipids C 29. Nucleic Acid 30. Electrolytes B D A A. Cytosine, Guanine, Thymine, Adenine and Uracil B. Ions: Ca, Na, Phosphate, Carbonate C. Fatty acids and glycerol D. Glucose E. Amino Acids Page 5 of 6 840956428 CELL ANATOMY Mark A for TRUE, B for Sometimes and C for False Attribute Bacteria Plant Cell Animal Cell Have a Cell Wall 31. __A 32. __A 33. __C Have a Nucleus 34. __A 35. __A 36. __A Perform Photosynthesis 37. __B 38. __A 39. __C Have DNA 40. __ 41. __ 42. __ Are Multicellular 43. __ 44. __ 45. __ 46. To enter or leave a cell, substances must pass through _____. A. a microtubule B. the Golgi apparatus C. a ribosome D. the nucleus E. the plasma membrane Page 6 of 6 840956428