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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. _________________ COMMUNITY B. BIOSPHERE C. CELLS 2. _________________ D. COMMUNITY 3. _________________ E. ECOSYSTEM 4. _________________ AB. ELECTROLYTES 5. _________________ AC. ENERGY 6. _________________ AD. LIFE CYCLE 7. _________________ AE. METABOLISM ORGANELLES__________ 8. _________________ ATOMS BC. MOLECULES BD. ORGAN 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 493719932 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 493719932 Why are biologists so interested in chemistry? 14. 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 493719932 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 493719932 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. Carbohydrate A. Amino Acids 27. Electrolytes B. Cytosine, Guanine, Thymine, Adenine and Uracil 28. Lipids C. Fatty acids and glycerol 29. Nucleic Acid D. Glucose 30. Proteins E. Ions: Ca, Na, Phosphate, Carbonate Page 5 of 6 493719932 CELL ANATOMY Mark A for TRUE, B for Sometimes and C for False Attribute Bacteria Plant Cell Have a Cell Wall 31. __ 32. __ 33. __ Have a Nucleus 34. __ 35. __ 36. __ Perform Photosynthesis 37. __ 38. __ 39. __ 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 Animal Cell Page 6 of 6 493719932