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Name_____________________ Date______________________ Life Science Chapter 4 Test Section I Fill in the blanks with the correct vocabulary word 1. The diffusion of water through the cell membrane is called _______________. 2. A cell removes very large particles through a process called ____________________. 3. Plants use a process called _____________________ to make glucose. 4. During __________________, food molecules are broken down to form CO2 and H2O (using oxygen) to release large amounts of energy. 5. In eukaryotes, the process of _________________ creates two nuclei. 6. ___________________ is the movement of any particles from an area of high concentration to an area of low concentration. 7. Food molecules that are too large to pass through phospholipids or proteins can enter the cell by _______________________. 8. Human body cells have twenty-three pairs of ________________________. 9. The process of cell division in a bacterial cell is called _________________ ______________. 10. The movement of particles through proteins in the cell membrane against the normal direction of diffusion is called ________________ _________________. Section II Choose the correct phrase to complete each statement below and place the letter to the line at the left. 1 11.______ An organism with chloroplasts is a A. consumer. B. prokaryote. C. producer. D. centromere. 12. ______ In cytokinesis, the ________________ splits in two. A. cytoplasm C. mitochondria B. nuclei D. lysosomes 13. ______ Sugars move through proteins in the cell membrane without using energy in a process called A. osmosis. C. Active transport. B. passive transport. D. endocytosis. 14. ______ Because the cell membrane is made of ___________, water can diffuse right through the membrane. A. cellulose C. phospholipid molecules B. ATP D. lysosomes 15. ______ During endocytosis, the cell membrane surrounds a particle, encloses it in a ________________, and brings the particle into the cell. A. bag C. ribosome B. vesicle D. chloroplast 16. ______ Nearly all of the energy that fuels life comes from A. sun C. air B. water D. soil 17. ______ The molecules in the cells of plants that absorb the energy of light are called A. glucose. C. pigments. B. carbohydrates. D. carbon dioxide. 18. ______ Photosynthesis takes place in which organelle? A. chloroplasts. C. borophyll. B. chlorophyll. D. Carbohydrates. 19. ______ Products of cellular respiration are A. Oxygen and glucose C. CO2 and glucose B. Water and O2 D. water and CO2 20. ______ Cellular respiration takes place in a eukaryotic cell's A. nucleus. C. Endoplasmic reticulum. B. mitochondria. D. golgi complex. 2 21. Name the 4 steps of mitosis in order. ________________________ ________________________ ________________________ ________________________ Study the illustration of the steps of mitosis and answer the questions that follow. . 22. What is the name of step A _________________________ 23. What is the name of step B _________________________ 24. What is the name of step C _________________________ 25. What is the name of step D _________________________ 26. ______ At which stage of mitosis do the chromosomes line up along the equator of the cell? A. A C. C B. B D. D 27. ______At which stage of mitosis do the chromosomes pull apart? A. A C. C B. B D. D 28. ______At which stage of mitosis does a membrane form around the separated chromatids? A. A C. C B. B D. D 29. ______A product of photosynthesis is A. oxygen. B. lactic acid. C. carbon dioxide. D. light energy. 3 30. ______Chromosomes are organized structures of A. ATP. C. organelles. B. DNA. D. phospholipids. Section III Answer the following questions. Take your time and remember class notes, discussions, and homework questions! 31. The transfer of glucose into a cell does not require ATP. What type of transport supplies a cell with glucose? Explain your answer. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 32. Why are producers important to the survival of all other organisms? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 33. What would happen if cytokinesis occurred without mitosis? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 34. What does breathing have to do with cellular respiration? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 4