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Cell Bio Exam 1 Study Guide

by: Liz Pizzonia

Cell Bio Exam 1 Study Guide BIOL 2120

Marketplace > Rensselaer Polytechnic Institute > Biology > BIOL 2120 > Cell Bio Exam 1 Study Guide
Liz Pizzonia
GPA 3.48

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Introduction to Cell Biology
Dr. Rutledge
Study Guide
Cellular, Cell, Bio, Biology, Rutledge, exam, test, study, guide
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This 2 page Study Guide was uploaded by Liz Pizzonia on Saturday February 20, 2016. The Study Guide belongs to BIOL 2120 at Rensselaer Polytechnic Institute taught by Dr. Rutledge in Summer 2015. Since its upload, it has received 37 views. For similar materials see Introduction to Cell Biology in Biology at Rensselaer Polytechnic Institute.


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Date Created: 02/20/16
Cell Bio Study Guide evolution the process in which living species become gradually modified and adapted to their environment in more and more sophisticated ways genome the entire genetic library of an organism differentiated cells have already become what they are meant to be gene expression using their genes to make some proteins but not others, depending on cues that they and their ancestors received from their surroundings cell theory all living cells are generated from other living cells Schwann and Matthias started the birth of cell biology with papers written in 1838-39, showed that cells were the building blocks of life. extracellular matrix a dense material often made of protein fibers embedded in a polysaccharide gel Transmission electron microscope transmits a beam of electrons rather than light scanning electron microscope scatters electrons off the surface of the sample and is so used to at the surface detail mitochondria generate chemical energy for the cell by oxidizing food molecules to produce ATP. consumes O and releases CO2=cellular respiration. contain their own DNA and divide to reproduce chloroplast undergo photosynthesis-process that uses sun,water,CO2 to produce energy rich sugar molecules and oxygen. Contain their own DNA and divide Endoplasmic reticulum cite where cell membrane components as well as materials designed for export are made. Golgi apparatus receives and chemically modifies molecules made in the ER and directs them to the exterior of the cell or to locations inside the cell. Lysosomes intracellular digestion occurs here peroxisomes provides a contained environment for reactions in which hydrogen peroxide is generated and degraded vesicles involve the transport of materials between organelles ribosomes site of protein synthesis cytoskeleton fibrous system in the cytosol - provides strength, controls shape, drives and guides the cells movements- involved in mitosis actin filaments generate contractile forces, there is a large number in muscle cells. microtubules the thickest filament intermediate filaments serve to strengthen the cell mechanically


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