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chapter7 cards

la cards from chapter 7

QuestionAnswer
Cell Basic units of life.
Cell Theroy All living things are composed of cells. Cells are the basic unitnu
nucleus Large membrane enclosed structure that contains the cells genetic material in the
Eukaryotes Cells that include nucli
Prokaryotes cells that do not contain nucei
organelles little organs
cytoplasim port6ion of the cell out side the nuclus
nuclear envelope Dotted with thousands of nuclear pores which allows material to pove
chromatin the granular material you can see in the nucleus
Chromosomes Diustinct thread like structures
Nuclelo7us assembly of ribosomes begin.
Ribosomes SmALL PAERTICLES OF rNA AND PROTEIN FOUND THROUGHT THE CYTOPLASM.
ENDOPLASMIC Reticulm Site where liquid components of the cell membrane are assermbled , along with proteins and other materials that are exported from the cell.
Golgi apparatus Proteins produced in the rough ER move next into an organelle.
Lysosomes Are small organelles filled with enzymes
Vacuoles Cells that contain stack like structures,
Mitchochondria Organelles that convert the chemical energy stored in foods into compounds thart are more convienet for the cells to use.
Cell Membrane All cells are surrounded by a thin flexible barrier.
Cell Wall Many cells produce a strong supporting layer around the membrane
Bilayer The composition of nearly all cell membranes in a double layered sheet.
Concentration Solution in the mass of solute in a given volume of solution or mass volume.
Diffusion The particles tend to move to an area where they are less concentrated.
Equilibrium When the coonsentration of the solute is the same through out the system.
Osmosis Water passes quite easily across most membranes even though many solute molecules can not
Isotonic When the consontratin of 2 solutions are the same.
Hypertonic above strength
Hypotonic below strength
Faciliated The diffusion of Glucose across the membrane
Diffusion process by which molecules
Active transport Small molecules or ions against a concentrated differene.
Endocytosis Large molecules and even solid clumps of material may be transported by movements of the cell membrane.
Created by: 165655
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