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Test Ch. 7
Cell, scientists and transport of materials through cell membrane
| Question | Answer |
|---|---|
| Contains digestive enzymes to break down food or worn-out organelles, known as the clean-up crew. | Lysosome |
| Stores water and other molecules. | Vacuole |
| Site of cellular respiration where chemical energy stored in foods is converted to ATP (energy). | Mitochondria |
| Known as the control center of cell, DNA is stored here. | Nucleus |
| Dense region of the nucleus where ribosomes are produced. | Nucleolus |
| Found in plant cells, site of photosynthesis. | Chloroplast |
| Network of microfilaments that provides support for cells as well as aids in movement. | Cytoskeleton |
| Found in plant cells, provides protection and support or structure for the cell. | Cell wall |
| Found in prokaryotes and eukaryotes, this regulates what enters and exits the cell. | Cell membrane |
| This is everything between the cell membrane and nucleus, where chemical reactions occur. | Cytoplasm |
| Found in prokaryotes and eukaryotes, these are the sites of protein synthesis. | Ribosomes |
| This organelle modifies, sorts, and packages proteins before they are sent to their final destinations. | Golgi apparatus |
| Internal membrane system that transports things, covered in ribosomes, that make proteins. | Rough endoplasmic reticulum |
| Internal membrane system that transports things, also makes membrane lipids and detoxifies. | Smooth endoplasmic reticulum |
| Found only in animal cells, these organelles help with sell division. | Centrioles |
| The name of the molecule that makes up the pumps or channels that help substances move across the cell membrane. | Protein |
| These molecules make up the bilayer that is the majority of the cell membrane. | Lipid |
| These molecules are attached to proteins, these act as identification cards that allow cells to recognize each other. | Carbohydrate |
| We lay a cover slip on a slide by putting one side down first, and then lowering the rest in order to prevent... | Air bubbles |
| The name of the scientist who looked at cork and described it as cells. | Hooke |
| The name of the scientist who said all animals are made of cells. | Schwann |
| The name of the scientist who said all plants are made of cells. | Schleiden |
| The name of the scientist who said that all cells must come from preexisting cells. | Virchow |
| Used the first microscope to look at pond water and saw "animalcules". | Leeuwenhoek |
| Solution with higher concentration of solute outside the cell, water moves out of the cell. | Hypertonic |
| Solution with lower concentration of solute outside the cell, water moves into the cell. | Hypotonic |
| Solution with equal concentration inside and outside the cell, water moves in and out of the cell equally. | Isotonic |
| Diffusion through membrane proteins, no energy required. | Facilitated diffusion |
| Diffusion of water through a semipermeable membrane. | Osmosis |
| Bulk transport of particles out of the cell, energy is required. | Exocytosis |
| Bulk transport of particles into the cell, energy required. | Endocytosis |
| Liquid is taken into the cell (cell drinking), energy required. | Pinocytosis |
| Solid particle is taken into the cell (cell eating), energy required. | Phagocytosis |
| The movement of particles from an area of low to high concentration, energy required. | Active transport |
| No energy required. | Passive |
Created by:
hsandidge
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