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Principles of Biology 1110 Chapter 4 Inside the Cell

by: Kaila Pinit

Principles of Biology 1110 Chapter 4 Inside the Cell Biol 1110-004

Marketplace > University of North Carolina - Charlotte > Biological Sciences > Biol 1110-004 > Principles of Biology 1110 Chapter 4 Inside the Cell
Kaila Pinit
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Principles of Biology I
Carrie Wells

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About this Document

These notes were taken 1/19 and 1/22
Principles of Biology I
Carrie Wells
Class Notes




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This 3 page Class Notes was uploaded by Kaila Pinit on Monday January 25, 2016. The Class Notes belongs to Biol 1110-004 at University of North Carolina - Charlotte taught by Carrie Wells in Spring 2016. Since its upload, it has received 66 views. For similar materials see Principles of Biology I in Biological Sciences at University of North Carolina - Charlotte.

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Date Created: 01/25/16
Principles of Biology Carrie Wells BIO 1110 104 Chapter 4 Inside the Cell 1 Cell theory all living organisms are made of cells and all cells arise from preexisting cells a Cells have to relay information genetic materials hormones etc to each other so information can get lost the larger the cell is b That being said most cells are small and have a modified surface to volume ratio in which a large surface area is required on the outside but the inner volume has to be small 11 All living cells have a A cell membrane b Cytoplasm c Ribosomes d Genetic material i All are made from 4 molecules 1 Proteins 2 Lipids 3 Sugarscarbohydrates 4 Nucleic acids 111 There are 2 types of cells that we will learn about in this class prokaryotic and eukaryotic Prokaryotic Eukaryotic Single celled Multicellular Not membrane Surrounded by bound membrane Single loop of DNA DNA forms double IV Theory of Endosvmbiosis eXplains the origin of eukaryotic cells and how they evolved from prokaryotic cells Some important organelles derived from cells that were originally single celled organisms V Parts of the cell a Plasma membrane i Large membrane that surrounds the cell and protects it from the outside ii Contains a phospholipid bilayer One layer is hydrophobic water resistant and the other is hydrophilic water tolerant b Organelles i Membrane bound compartments inside the cell that are specialized for specific jobs 1 Cytoskeleton made of microtubules and forms the cells skeleton Principles of Biology Carrie Wells BIO 1110 104 2 Vesicles cells bring stuff outside into the cell and forms a pocket at the cell membrane endocytosis 3 Lysosome filled with digestive enzymes digests particles in the vesicle after fusion exocytosis 4 Nucleus braincommand center contains nuclear DNA and chromosomes 5 Ribosomes settled inside the cell and are used for protein production 6 Endomembrane system a Endoplasmic reticulum i Rough ribosomes make proteins ii Smooth lipids are synthesized and detoxifying enzymes are made and tags things that the cell has made but needs somewhere else for example hormones b Golgi body sorts molecules and modifies them 7 Mitochondria Powerhouse of the cell converts ATP into energy and uses it for cellular functions have their own DNA 8 Glycoproteins labels cells 9 Lysosomes oating garbage disposal splits open and disposes of unnecessary items in the cell root word lys means to split open ii Animal vs Plant 1 Animal cells a Have central agella that aids in movement b Have cytoskeleton root word cyt means cell which is structurally important as it holds organelles together and gives the cell its shape c Cell connections i Tight junction water tight seal ii Desmosomes velcro like structures that fasten together iii Gap junctions secret passageways to allow materials to pass through 2 Plant cells a Contain different organelles than animal cells i Vacuole storage bubble stores nutrients and other substances the cell needs for life ii Chloroplast converts light energy into sugars that the plant uses for energy process called photosynthesis iii Cell wall Principles of Biology Carrie Wells BIO 1110 104 1 Plant cells are square shaped because of the cell wall b Plasmodesmada allows water and molecules to pass communication between cells


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