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17 Cards in this Set

  • Front
  • Back
cell wall (plants only)
-made of polysaccharide cellulose
-helps protect and support the cell
-freely permeable (porous)
cell membrane
-separates the cell from the environment
-selectively permeable (size)
-regulates transport of materials in and out of cell
nucleus
-cell's control center
-directs all cell activities
-surrounded by a nuclear membrane
-contains heredity info
necleolus
-found in nucleus
-responsible for making ribosomes
nuclear membrane (nuclear envelope)
-selectively permeable, double membrane that surrounds nucleus
-nuclear pores: allows materials to move in and out of nucleus
chromosome
-threadlike structures containing genetic info
-composed of thin twisted threads of DNA called chromotin
centrioles (animals only)
-involved in cell division
microtubules
-structural proteins found in centrioles, cilia and falgella
cilia and flagella
-involved in movement
-hair-like or whip-like structures
cytoplasm
-jelly-like substance between the cell membrane and the nucleus that holds many organelles
-composed of 80% water and 20% proteins, lipids, and carbs
-cyclosis: circular movement of materials through _________
mitochondria
-produce energy for the cell
-site of cellular respiration
-contain DNA and can reproduce
-cristae: folds within inner lining that increase surface area
-the more active the cell the more _______ a cell has
-muscle cell = a lot of ______
ribosomes
-site of protein synthesis
-composed of RNA
-ER ______:proteins used outside of cell
-cytoplasm ________(free):proteins used inside the cell
endoplasmic reticulum
-transports materials throughout the cell
-increases surface areafor biochemical reactions
-smooth: without ribosomes, lipid synthesis
-rough: with ribosomes
golgi body
-process and package secretions made by the cell
-connected to ER for transport
-attatch to carbs and lipids to proteins for transport
vacuole
-store area of the cell; stores food, water, and waste
-large central ______ in plant cell regulates water balance
lysosome
-contain digestive enzymes to break down food particles
-breaks down damaged or old cell parts
plastids
chromoplasts:organelles that contain pigments
chloroplasts:
-photosynthesis
-contains chlorophyll
Leucoplasts:
-store starch and other nutriends used by plants