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29 Cards in this Set
- Front
- Back
The movement of water through a membrane by diffusion is called_____.
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osmosis
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The term___describes a molecule which will dissolve in water; means "water loving".
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hydrophilic
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____cells have a complex structure, includinga nucleus and membrane bound organelles.
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eukaryotic
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The first person to use the "cell" to describe the basic unit of life was ____.
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Robert Hooke
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Movement of molevules from an area of high concentration to an area of low concentration is called____. When used to move small molucules through the cell membrane, it does not require energy or a carrier protein.
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diffusion
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This structure is found in all cells of all types.
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cell membrane
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Movement of large molecules or ions across a cell membrane from high concentration to low concentration with the aid of a carrier protein is called________.
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facilitated diffusion
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______cells have a simple structure, with no nucleus or membrane bound organelles
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prokaryotic
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All of the following organelles are found in animal cells EXCEPT: cell membrane; nucleus;cell wall; cenriole
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cell wall
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The term ___ describes a molecule which will not dissolve in water; means "water fearing."
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hydrophobic
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This structure is found in eukaryotic cells but not in prokaryotic cells
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flagellum
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A cell is placed in a solution that has a higher concentration of dissolved materials than that of the cytoplasm of the cell. Which of the following is most likely to happen?
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Water moves out of the cell by diffusion into the surrounding solution; the cell shrinks
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The mocrobes are entering the cell by the process called
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endocytosis
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Waste materials that remain after the microbes are digested leave the cell by this process
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exocytosis
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What does the cell theory state?
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1. All organisms are composed of one or more cells
2. Cells are the smallest living thing 3. Cells arise only by division of a previously existing cell |
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Cell Wall function
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Protection; support
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Cytoskeleton function
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Structural support; cell movement
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Flagella and Cilia function
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Motility or moving fluids over surfaces
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Plasma membrane function
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Regulates what passes into and out of cell; cell-to-cell recognition
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Endoplasmic reticulum
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Forms compartments and vesicles; participates in protein and lipid synthesis
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Nucleus function
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Control center of cell; directs protiein synthesis and cell reproduction
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Golgi complex function
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Packages proteins for export from the cell; forms secretory vesicles
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Lysosomes function
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Digest worn-out organelles and cell debris; play role in cell death
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Peroxisomes
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Isolae particular chemical activities from rest of cell
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Mitochondria function
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Sites of oxidative metabolism; provides ATP for cellular energy
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Chloroplast function
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Site of photosynthesis
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Chromosomes
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Contain hereditary information
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Nucleolus function
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Assembles ribosomes
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Ribosomes function
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Sites of protein synthesis
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