2004midterm2KEY

2004midterm2KEY - MIDTERM 2 BILD1 Spring 2004 NAME_ PROBLEM...

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MIDTERM 2 BILD1 Spring 2004 NAME__________________________ - 2 - PROBLEM 1. PROK vs EUK: INFORMATION STORAGE Both Prokaryotes and Eukaryotes use DNA as their information storage molecule but they also have a lot of differences in information storage. List TWO DIFFERENCES in information storage between prokaryotes and eukaryotes. (4pt) PROK: Circular chromosome EUK: Linear chromosome PROK: ONE chromosome EUK: Many chromosomes PROK: Plasmids EUK: no plasmids PROK: nucleoid in cytoplasm EUK: DNA is enclosed in nucleus (contained) Pick 2. Must clearly state which has which property for full credit. PROBLEM 2. PROK vs EUK: CONTAINMENT List ONE DIFFERENCE in containment between prokaryotes and eukaryotes? (2pt) PROK: NO organelles (enclosed compartments) EUK: has organelles PROK: Can be enclosed in a double membrane EUK: enclosed always in single membrane Pick 1 PROBLEM 3. PROK vs. EUK: STRUCTURAL SUPPORT PLANTS and PROKARYOTES both have a Cell Wall. Pretty confusing? What is the difference between the cell wall found in prokaryotes and the cell wall found in plants? (2pts) PLANTS: Cellulose (polysaccharide) PROKS: Glycoprotein, Peptidoglycan PROBLEM 4: Fission and Fusion (3pts) Below are a list of cell processes. CIRCLE all the processes that are examples of membrane FISSION: (-1 for extra stuff circled) Exocytosis of a synaptic vesicle Delivery of a vesicle at the cis-face of the Golgi The endosymbiosis theory +1 Fertilization Oxidative Phosphorylation Pinocytosis +1 Cytokinesis +1 Secondary Active Transport
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MIDTERM 2 BILD1 Spring 2004 NAME__________________________ - 3 - PROBLEM 5. Golgi Mitochondria Chloroplast Pinocytosis Nucleus Lysosome Ribosome Exocytosis Vacuole Vesicle Receptor-Mediated Endocytosis Peroxisome Rough Endoplasmic Reticulum (RER) Active Transport Here are a list of transport processes and organelles. For each statement below, pick ALL the organelle(s) or process(es) that match up with the statement. You can use a term more than once or not at all. Note: There may be more than one answer to each statement. A. Disulfide bridges are created here. ER B. Is the LAST membrane-enclosed organelle encountered by a protein destined for the plasma membrane. VESICLE C. A protein-dependent process for taking specific ligands into the cell. ACTIVE TRANSPORT and RECEPTOR MEDIATED ENDOCYTOSIS D. The sorting organelle GOLGI E . It has it’s own internal structural support. NUCLEUS
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2004midterm2KEY - MIDTERM 2 BILD1 Spring 2004 NAME_ PROBLEM...

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