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The Amazing cell


What has a single cell organisms without nucleus? prokaryotes
what is found in all multi- cellular organisms today? eukaryotes
what is bacteria? prokaryotes
what is characterized by having a distinct nucleus in which the DNA has combined with protein to form chromosomes? eukaryotes
small cell have what? larger suface
What control smaller cell better than a large one? single nucleus
what are very active and have 2 or more nuclei? large cells
what has barriers between environment and cytoplasm? cell membrane
what governs the movement of atoms and molecules in and out? cell membrane
what is the cell membrane made of? protein, phospholipids, cholesterol, other lipids, carbohydrates
what is a lipid bilayer? two layers of phospholipid molecules
what are the 2 layers called of a lipid bilayer? hydrophilic (head) hydrophobic fatty acid (tails)
what 3 structures goeswith fluid mosaic? protien suspended moves easily throughout the membrane constantly changing pattern
how do lipid- soluble materials get through the membrane? easily passes through
can water- soluble materials go through themembrane? no
integral proteins may create channels through which other molecules can cross.
peripheral proteins bond tothe outside surfaces of the cell membrane.
Glycocalyx made of glycoproteins and glycolipids
glycoproteins cell adhesion molecules
glycolipids membrane contact signaling chemical signaling
cilia occurs in large nummbers on the exposed surface of some cells.
flagella occurs singly and are significantly longer than cilia and propel forward by attachment to cells.
what is cytoplasm? everything (fluid) inside the cell membrane
what is the cytoplasm composed of? proteins electrolytes metabolites cytoskeleton organelles
cytoskeleton gives support and shape to cell
can a cytoskeleton move? yes
what anchors to organelles? cytoskeleton
what are the types of fibers cytoskeleton have? microtubules intermediate fibers microfilaments
how many membrane bound does organelles has? 8
mitochondria produces most of the energy thatt fuels the cell.
mitrochindria is known as what? power house of the cell
what aare the 2 membranes that enclose the mitochondria? outer one is smooth inner one contains folds to increase the internal working area.
Created by: Jessica vet