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chapter 7 cards

chapter 7 flash cards

QuestionAnswer
Cell were the basic units of life
Cell Theory a fundemental concept of biology
Nucleus is a large membreane-enclosed stucture that contains the cell's genetic material in the form of DNA
Eukaryotes cells that contain nuclei
Prokaryotes calls that do not contail nuclei
Organelles literally little organs
Cytoplasm the portion of the cell outside the nucleus
Nuclear Envolope surrounds the nucleus and conposed of two membranes
Chromatin granular material you can see in the nucleus.
Chromosomes ditinct, threadlike structures contain the genetic information that is passed from one generation of cells to the next
Nucleolus is where the assembly of ribosomes begins
Bibosomes are small particles of RNA and protein found throughout the cytoplasm
Endoplasmic Reticulum is the site where lipid components of the cell membrane are essembled, along with proteins and other materials that are exported from the cell
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Golgi Apparatus protiens produced in the rough ERomve next into an organelle
Lysosomes are small organelles filled with enzymes
Vacuoles some kinds of cells contain saclike structures called vacuoles
Mitochondria nearly all eukaryoti calls, including plants, contain mitochondria
Chloroplasts are organelles that capture the energy from sunlight and convert it into chemical energy in a prosses called photosynthesis
Cytoskeleton is a network of protein filaments that helps the cell to maintain its shape. the cytoskeleton is also involved in movement
Cell Membrane cells are surrounded my a thin flexible barrier known as the cell membrane
Cell Wall a strong suppoting layer around the membrane
Lipid Bilayer the composition of nearly all cell membranes is a double-layered sheet
Concentration the mass of solute in a given volume of solution, or mass/volume.
page184
Created by: zoegruenbeck1
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