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cell structure 1

QuestionAnswer
cells basic units of life
cell theory fundemental concept of of biology - all living things are composed of cells, cells are the basic units of structure and function, new cells are produced from existing cells
nucleus large membrane enclosed structure that contains the cell's genetic material in the form of DNA
eukaryotes cells that contain nuclei
prokaryotes cells that dont contain nuclei
organelles little stuctures (organs) in cells
cytoplasm portion of the cell outside the nucleus
nuclear envelope surrounds the nucleus and is composed of 2 memebranes
chromatin the granular material you can see in the nucleus
chromosomes threadlike structures that contain genetic info that is passed from one generation of cells to the next
nucleolus small dense region in the nucleus
ribosomes small particles of RNA and protein found in the cytoplasm
endoplasmic reticulum site where lipid components of the cell membrane are assembled along with proteins and other materials that are exported from the cell
golgi apparatus organelle that modifies, sorts, and packages proteins
lysosomes small organelles filled with enzymes
vacuoles saclike structures that store materials such as water, salts, proteins, and carbs
mitochondria organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use
chloroplasts organelles that capture the energy from sunlight and convert it into chemical energy using phytosynthesis
cytoskeleton the supporting stucture of cells
centrioles located near the nucleus to organize cell division
Created by: mtenebaum
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