Chapter 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Cell Membrane | Composed of phospholipid bilayer,and proteins, receptors, pores, channels, and carriers, enzymes, CAMS, and self-markers.
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Cytoplasm | Contains Cytosol and organelles
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Endoplasmic Reticulum (ER) | Ribbon candied shape closest to nuclear envelope. Provides a tubular transport system for molecules. Participates in the synthesis of protein and lipids.
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Ribosomes | Produce protein. Composed of protein and RNA
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Golgi Apparatus | Modifies, packages, and delivers proteins.
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Vesicles | Membranous sacs that store substances.
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Mitochondira | Generate energy from food molecules.
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Lysosomes | Sacs containing enzymes capable of digesting worn cellular parts.
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Peroxisomes | Contain enzymes called perosidases, important in the breakdown of many organic molecules.
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Centrosomes | Helps distribute chromosomes to new cells during cell division, initiates formation of cilia.
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Microfilaments and Microtubules | Support cytoplasm, help move substances and organelles within the cytoplasm.
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Nuclear envelope | Double membrane controls passage of materials between nucleus and cytoplasm.
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Nucleolus | Composed of protein and RNA. Site of ribosome formation.
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Chromatin | Fibers composed of protein and DNA. Carries info for synthesizing proteins
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Simple Diffusion | Moving from hign concentration to low concentration.
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Facilitated Diffusion | Movement across a membrane with the help of channel or carrier molecule.
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Osmosis | Movement of water from high concentration to low. Water moves toward a higher concentration of solutes.
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Filtration | Smaller molecules are forced through porous membranes. Hydrostatic pressure.
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Osmosis Pressure | Ability of osmosis to generate enough pressure to move volume of water. Pressure increases as concentration of nonpermeable solutes increases.
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Isotonic | Equal pressure.
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Hypertonic | Higher osmotic pressure than surrounding body fluids. Water leaves cell.
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Hypotonic | Lower osmotic pressure than surrounding body fluids. Water enters cell.
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Active Transport | Carrier molecules transport substances across membrane from low to high concentrations. Sodium ions, potassium ions
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Sodium-Potassium Pump | Creates balance by pumping 3 sodium out and 2 potassium into cell. Requires energy and makes energy.
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Endocytosis | When a molecule that is too big to pass through a membrane enters by a vesicle.
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Pinocytosis | Membrane engulfs liquid
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Phagocytosis | Membrane engulfs solid
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Receptor-mediated | Receptor protein molecules that bring in specific types of particles.
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Exocytosis | Vesicles form around waste and fuse with membrane to release contents outside cell.
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Interphase | Growth period of cell.G phase grows and synthesises things other than DNA. S Phase cell replicates DNA.
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Mitosis | Produces 2 daughters cells from one mother cell.
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Prophase | Chromosomes form, envelope disappears.
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Metaphase | Chromosomes align midway between centrioles.
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Anaphase | Chromosomes separate and move to opposite centrioles.
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Telophase | Chromatin and nuclear enevelope forms.
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Apoptosis | cell death
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Stem cells | Can divide to form 2 new stem cells.Or 1 stem cell and 1 progenitor cell.
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Totipotent | Stem cell that can become every cell type.
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Pluripotent | Restricted # of cells
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Progenitor cells | committed to certain functions. Can divide to become any # of restricted cells.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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