Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
The Dynamic Cell
Chapter 7 Review Acitivity
| Question | Answer |
|---|---|
| ALL cells have a ___, which is a boundary between the inside and the outside of the cell. | Plasma membrane |
| Do NOT have a membrane bound nucleus OR organelles | Prokaryotes |
| Have a membrane bound nucleus and various organelles | Eukaryotes |
| Prokaryotes are mainly ___. | Bacteria |
| Photosynthetic organisms contain some form of ___ which allows them to absorb solar energy | Pigment |
| Most plants are green because they contain ___, which hold chlorophyll. | Chloroplasts |
| Plants tend to have very large centrally located ___ which store a variety of substances, but most often store water. | Vacuoles |
| Plants are ___, because they can make their own food. | Autotrophs |
| Animals are ___, they must consume other organisms to live. | Heterotrophs |
| This technological invention helped scientists to discover the cells | Microscope |
| Microscope that uses a series of magnifying lenses and light | Compound light microscope |
| Microscope that utilizes magnets and a beam of electrons to develop the image which is intended to be studied | Electron microscope |
| The ___ explains what we know about cells according to three basic principles | Cell Theory |
| All living organisms are composed of one or more ___ | Cells |
| Cells are the basic unit of structure and ___ of all living organisms | Function |
| Cells arise only from previously existing cells, with cells passing copies of their ___ on to their daughter cells | Genetic material |
| Process of maintaining balance inside a cell | Homeostasis |
| Boundary between a cell and its environment | Plasma membrane |
| Feature of the plasma membrane that keeps some substances out and allows others in | Selective permeability |
| Maintained by the cell membrane | Homeostasis |
| The quality of a plasma membrane that allows oxygen and glucose to move in | Selective permeability |
| Make up most of the molecules in the plasma membrane | Lipids |
| A molecule that has a glycerol backbone, two fatty acids, and a phosphate-containing compound | Phospholipid |
| Move substances through the plasma membrane | Transport proteins |
| Two layers of phospholipids arranged tail-to-tail | Phospholipid bilayer |
| The phospholipid 'sea' in which embedded substances float | Fluid mosaic model |
| (T/F) Microtubules are long, hollow protein cylinders that forma rigid skeleton for the cell | T |
| (T/F) The golgi apparatus contains most of the cell's DNA | F |
| (T/F) The nucleolus is the structure that produces sugars | F |
| (T/F) The ER is a stack of membranes that packages proteins into sacs called vesicles | F |
| (T/F) The cytoplasm is the area filled with semifluid internal environment of the cell | T |
| (T/F) The cell is the basic unit of living things | T |
| (T/F) The nucleus is common to all cells | F |
| (T/F) The cytoskeleton is semipermeable. | F |
| (T/F) The cytoskeleton is a protein fiber supportive network | T |
| (T/F) Louis Pasteur was the first to use the term 'cell' | F |
| (T/F) Anton van Leewenhoek was the first to use the term 'cell' | F |
| (T/F) Robert Hooke was the first to use the term 'cell' | T |
| Manufactures ribosomes | Nucleolus |
| Manufacture proteins | Ribosomes |
| Manufactures lipids | Smooth ER |
| Manufactures proteins with the aid of ribosomes | Rough ER |
| Packages, modifies and transports cellular products | Golgi apparatus |
| Detoxifies harmful substances within the body | Liver |
| Detoxifies harmful substances within the cell | Smooth ER |
| Process of the plasma membrane pumping excess sodium out of a cell into an environment where there is a lower concentration of sodium | Diffusion |
| Storage organelle mostly absent from animal cells but found in plants | Vacuoles |
| Moves small molecules across the plasma membrane using transport proteins | Facilitated diffusion |
| Involves water moving across a membrane to the side with a greater solute concentration | Osmosis |
| Occurs when substances move against the concentration gradient, requires energy | Active transport |
| Does not require additional energy | Passive transport |
| Occurs when plasma membrane surrounds large substance inside cell and moves it outside of cell | Exocytosis |
| Occurs when plasma membrane surrounds large substance outside cell and move it inside cell | Endocytosis |
| Condition that results when diffusion continues until the concentrations are the same in all areas | Dynamic equilibrium |
| A solution that has the same osmotic concentration as a cell's cytoplasm | Isotonic |
| A solution that causes a cell to shrivel | Hypertonic |
| A solution that causes a cell to swell | Hypotonic |
| A solution that neither shrinks nor swells a cell | Isotonic |
| A solution in which there is more water outside the cell than inside the cell | Hypotonic |
| A solution that causes water to move out of a cell | Hypertonic |
| Acts as a distribution center for cell proteins | Golgi apparatus |
| Breaks down excess microtubules | Lysosome |
| Contains the cell's DNA | Nucleus |
| Creates energy for the cell | Mitochondria |
| Process of cell division | Mitosis/meiosis |
| Produces protein for the cell | Endoplasmic reticulum (rough) |
| Framework for the cell | Cytoskeleton |
| Synthesizes ribosomes | Nucleolus |
| Stores cell materials | Vacuoles |
| Inflexible barrier that provides support and protects the plant cell | Cell wall |
| Component of the cell membrane that allows for fluidity and flexibility | Cholesterol |
| Orderly structure of cells in an organism | Organization |
| First person to suggest that some organelles within eukaryote were once free-living organisms | Lynn Margulis |
| Pioneered the study of microorganisms | Louis Pasteur |
| Allows scientists to see individual atoms | Scanning tunneling microscope |
| An atom or group of atoms with a positive or negative electric charge | Ion |
| Specialized structures that carry out specific cell functions | Organelles |
| Distinct central organelle | Nucleus |
| Single stranded version of DNA | RNA |
| Internal cellular environment | Intracellular environment |
| External cellular environment | Extracellular environment |
| Inside cell | Intracellular |
| Outside cell | Extracellular |
| Having an unequal distribution of charge | Polar |
| Phospholipid head | Hydrophilic |
| Phospholipid tail | Hydrophobic |
| A protein which can speed up the rate of a chemical reaction without being used up | Enzyme |
| Microtubules and ___ make up the cytoskeleton | Microfilaments |
| Long, hollow protein cylinders | Microtubules |
| Thin protein threads | Microfilaments |
| Membrane which separates the nuclear materials from the cellular materials | Nuclear envelope |
| Materials are all allowed to flow into and out of the nucleus, though strictly controlled, through the | Nuclear pores |
| An organelle is defined as functioning to maintain ___ | Metabolism |
| Flattened stacks of membranes | Golgi apparatus |
| Made of RNA and proteins and may be attached or free-floating | Ribosomes |
| Capture and convert light energy into chemical energy | Chloroplasts |
| Made of microtubules and play a role in cell division | Centrioles |
| Contain digestive enzymes that can break down the wastes contained within vacuoles | Lysosomes |
| Hairlike structures used for movement of whole cell or just materials across the surface of a cell | Cilia |
| Whip-like projection which functions in movement | Flagella |
| Regulation of an internal environment of a cell or organisms to maintain conditions suitable for life | Homeostasis |
Created by:
SavannahElkins
Popular Biology sets