Biology Chapter 7
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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| Cells | basic units of life
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| Cell theory | a fundamental concept of biology
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| Nucleus | a large membrane-enclosed structure that contains the cell's genetic material in the form of DNA
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| Eukaryotes | cells that contain nuclei
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| Prokaryotes | cells that do not contain nuclei
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| Organelles | "little organs"
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| Cytoplasm | the portion of the cell outside the nucleus
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| Nuclear envelope | two membranes that surround the nucleus
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| Chromatin | granular material you can see in the nucleus
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| Chromosomes | threadlike structures that contain the genetic information that is passed fron one generation of cells to the next
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| Nucleolus | where the assembly of ribosomes begins
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| Ribosomes | small particles of RNA and protein found throughout the cytoplasm
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| Endoplasmic reticulum | Eukaryotic cells contain an internal membrane sysem
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| Golgi apparatus | proteins produced in the rough ER move into this organelle
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| Lysosomes | digest, or break down, lipids, carbohydrates,, and proteins into small molecules that can be used by the rest of the cell
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| Vacuoles | saclike structures that store materials such as water, salts, proteins, and carbohydrates
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| Mitochondria | organelles that convert the chemical energy stored in food into compounds that are more convenient for the cell to use
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| Chloroplasts | organelles that capture the energy from sunlight and convert it into chemical energy in a process called photosynthesis
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| Cytoskeleton | a network of protein filaments that help the cell to maintain its shape. It is also involved in movement.
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| Centrioles | located near the nucleus and helps to organize cell division/only found in animal cells
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| Cell membrane | a thin flexible barrier that surrounds all cells/regulates what enters and leaves the cell and also provides protection and support
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| Cell wall | a strong supporting layer around the membrane of a cell
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| lipid bilayer | double-layered sheet of lipids that gives cell membranes a flexible structure that forms a strong barrier between the cell and its surroundings
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| Concentration | the mass of solute in a given volume of solution, or mass/volume
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| Diffusion | particles move from an area where they are more concentrated to an area where they are less concentrated
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| Equilibrium | when the concentration of the solute is the same throughout a system
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| Osmosis | the diffusion of water through a selectively permeable membrane
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| Isotonic | "same strength"
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| Hypertonic | "above strength"
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| Hypotonic | "below strength"
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| Facilitated diffusion | cell membrane protein that helps the diffusion of glucose
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| Active transport | energy-requiring process that moves material across a cell membrane against a concentration difference
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| Endocytosis | process of taking material into the cell by means of infoldings, or pockets, of the cell membrane
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| Phagocytosis | extensions of cytoplasm surround a particle and package it within a food vacuole
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| Pinocytosis | process by which a cell takes in liquid from the surrounding environment
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| Exocytosis | the membrane of the vacuole surrounding the material fuses with the cell membrane, forcing the contents out of the cell
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| Cell specialization | cells throughout an organism can develop in different ways to perform different task.
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| Tissue | is a group of similar cells that perform a particular function
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| Organ | many groups of tissues working together
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| Organ system | a group of organs that work together to perform a specific function
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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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Created by:
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