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Cell Structure

Chapter 7

QuestionAnswer
Basic units of life Cells
Large membrane enclosed structure that contains the cell's genetic material Nucleus
Cells that contain nuclei Eukaryotes
Cells that do not contain nuclei Prokaryotes
Portion of the cell outside the nucleus that is mostly water Cytoplasm
Granular material inside the nucleus that consists of DNA and protein Chromatin
Small particles of RNA and protein that synthesizes protiens for the cell Ribosome
Site where lipid components, proteins, and other materials are assembled Endoplasmic Reticulum
Modify, sort, and package proteins and other materials from the endoplasmic reticulum for storage or secretion Golgi Apparatus
Small organelles filled with enzymes that aid in cellular digestion Lysosomes
Saclike structures that store materials such as water, salt, proteins, and carbohydrates Vacuoles
Convert chemical energy stored in food into compounds that are more convenient for the cell to use Mitochondria
Capture light energy from sunlight and convert it into chemical energy (photosynthesis) Chloroplast
Regulates what enters and leaves the cell Cell membrane
Provides support and protection for the cell Cell Wall
Mass of a solute in a given solution Concentration
Particles move from an area of high concentration to an area of low concentration Diffusion
When the concentration of the solute is the same throughout the system Equilibrium
Diffusion of water through a selectively permeable membrane Osmosis
Concentration of solutes is the same inside and outside the cell Isotonic
Solution has a higher concentration than the cell Hypertonic
Solution has a lower solute concentration than the cell Hypotonic
Movement of molecules from high concentration to low concentration across cell membranes with the help of protein molecules Facilliated diffusion
Movement of molecules from low concentration to high concentration using energy Active Transport
Created by: megan conner
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