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1. According to the Endosymbiotic theory evidence suggests these two cell parts have evolved from early prokaryote ancestors. A. cilia and flagella B. mitochondria and chloroplasts C. centrioles and Golgi bodies D. Rough ER and ribosomes 2. Which of the following is NOT found in plant cells? A. centrioles B. mitochondria C. ribosomes D. cell wall 3. The cytoplasmic channels between plants cells are called A. gap junctions B. tight junctions C. demosomes D. plasmodesmata 4. Cyanide is a poison that disables an enzyme involved in ATP production. Which organelle does cyanide most directly cripple? A. smooth ER B. ribosomes C. mitochondria D. lysosomes E. cytoskeleton 5. A researcher observes a cell through a microscope and determines it is a plant cell because she observes a A. mitochondrion B. nucleus C. lysosome D. central vacuole E. centriole 6. All of the following are associated with microtubules EXCEPT C. A. centrioles B. basal bodies separation of chromatids during mitosis D. motion of flagella E. Na+ ion transport 7. Smooth endoplasmic reticulum exhibits all of the following activities EXCEPT A. B. C. D. E. assembling amino acids to make proteins manufacturing lipids manufacturing hormones breaking down toxins regulating calcium in muscle cells 8. Large numbers of ribosomes are present in cells that specialize in producing A. lipids B. starches C. steroids D. proteins E. glucose 9. Motor proteins are responsible for intracellular movement by interacting with what types of cellular structures? A. C. membrane proteins B. ribosomes cellulose fibers in the cell wall D. mitochondria E. the cytoskeleton 10. Prokaryotic and eukaryotic cells have all of the following structures in common EXCEPT A. a plasma membrane B. DNA C. a nucleoid region D. ribosomes E. cytoplasm Bonus: Which of the following structure:function pairs is mismatched? A. B. C. D. E. nucleolus:ribosome production lysosome:intracellular digestion ribosome:protein synthesis Golgi:protein trafficking mitochondrion:steroid production