Science Test US3 Word Scramble
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Question | Answer |
Cell Wall | outer layer rigid, strong, stiff made of cellulose support (grow tall) protection allows H2O, O2, CO2 to pass into and out of cell |
Cell Membrane | plant - inside cell wall animal - outer layer; cholesterol selectively permeable support protection controls movement of materials in/out of cell barrier between cell and its environment maintains homeostasis |
Nucleolus | Spherical shape Visible when cell is not dividing Contains RNA for protein manufacture |
Cytoplasm | clear, thick, jellylike material and organelles found inside cell membrane supports /protects cell organelles |
Endoplasmic reticulum (E.R.) | network of tubes or membranes carries materials through cell |
Ribosomes | small bodies free or attached to E.R. produces proteins |
Mitochondria | bean-shaped with inner membranes breaks down sugar molecules into energy |
Vacuole | fluid-filled sacs store food, water, waste (plants need to store large amounts of food) |
Lysosomes | small, round, with a membrane breaks down larger food molecules into smaller molecules digests old cell parts |
Chloroplast | green, oval usually containing chlorophyll (green pigment) uses energy from sun to make food for the plant (photosynthesis) |
Nucleus | large, oval controls cell activities |
Chromosome | carries the genetic material |
Golgi Apparatus | process and package proteins and lipids |
Plasma Membrane | encloses their contents and serves as a semi-porous barrier to the outside environment |
Microtubules | conveyer belts inside the cells they move vesicles, granules, organelles like mitochondria, and chromosomes via special attachment proteins |
Plastid | are the site of manufacture and storage of important chemical compounds used by the cell |
Centriole | organize the assembly of microtubules during cell division a ring of nine microtubule "triplets" are arranged at right angles to one another |
Centrosome | serves as the main microtubule organizing center |
All living this: | Use energy, develop and grow, maintain themselves (body temperature), reproduce, and are a part of evolving populations |
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nibess
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