Science Olympiad Cell Biology Exam Questions & Answers Already Graded A+

Prokaryotic cell - Answer-Single-celled miroorganism with no membrane bound organelles Eukaryotic cell - Answer-Has a nucleus and membrane bound organelles Cabpsule - Answer-Only in plants, jelly-like fluid, protects cell wall Nucleiod - Answer-Singular circlular molecule of DNA Flagellum - Answer-Protein fiber, movement Plasma membrane - Answer-Controls what goes in and out Cilia - Answer-Sweep materials off cell surface Rough ER - Answer-Ribosomes, materials for protein synthesis Smooth ER - Answer-Lipid synthesis Ribosomes - Answer-Protein synthesis, takes info from RNA and turns them into proteins Golgi Apparatus - Answer-Packing center, packages newly synthesized proteins Lysosomes - Answer-Recycling, has enzymes to digest ingested material/ damages tissues Microbody - Answer-organelle, special enzymes, hydrogen peroxideCentrioles - Answer-Organize spindle fibers during cell division Cytoskeleton - Answer-cell shape, internal organization, cell movement Intermediate filaments - Answer-provide strength for the cell Microtubules - Answer-Determine shape, act as tracks for organelles and vesicles to move on. Separate chromosomes during mitosis. Also movement Microfilaments - Answer-Actin, muscle contractions and other movements; gliding, contraction, and cytokinesis. Nucleosomes - Answer-Repeating units of DNA wrapped around histone proteins and linker DNA Solenoid - Answer-Coiling of nucleosomes Chromatin fiber - Answer-Repeating nucleosomes