Truman College Department of Biology Biology 121 Fall ‘14 Francisco Diaz de Leon Assistant Professor Office 2633 Phone: 773.907.4394 Email: fdiaz-deleon@ccc.edu Office Hours: Tuesday and Thursday 8:30 to 11:00 AM; Monday and Wednesday 11 AM to 12 PM; or by appointment. NOTICE: The best way to communicate with me outside the classroom is via email. I do not check phone messages regularly. Course Description: Cellular and molecular biology of the cell. Introduction to biochemistry
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Association of Teachers in Biological Sciences NATIONAL STANDARD EXAMINATION IN BIOLOGY 2011-2012 Date of Examination 27th November 2011 Time 15.00 to 17.00 Hrs INSTRUCTIONS TO CANDIDATES 01. On the answer sheet‚ fill up all the entries carefully in the space provided‚ ONLY IN BLOCK CAPITALS. Use only BLUE or BLACK BALL PEN for making entries and marking answers. Incomplete / incorrect / carelessly filled information may disqualify your candidature. 02. The question paper has 80 multiple
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locomotion chromosome separation in mitosis and meiosis intracellular transport of organelles The cytoskeleton is made up of three kinds of protein filaments: Actin filaments (also called microfilaments) Intermediate filaments and Microtubules 6.
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There are no multicellular plants in the oceans Most are photosynthetic single cells Cambrian is in Paleozoic era Called Cambrian explosion‚ because in this 70 million years. We have an explosion of every multicellular organism. Wednesday October 31st‚ 2012 CAMBRIAN Phanerozoic Eon Eras: Paleozoic (most recent : 550 Ma until now) – multicellular organisms in the oceans The periods in the Paleozoic era are: Cambrian Ordovician: end is one of the 5 mass extinctions. So many organisms
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(Adriamycin)‚ known as CA; these drugs damage DNA in the cancer‚ but also in fast-growing normal cells where they cause serious side effects. Sometimes a taxane drug‚ such as docetaxel‚ is added‚ and the regime is then known as CAT; taxane attacks the microtubules in
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2.7.- COMPARACION ENTRE LAS CELULAS Recuerda que las celulas procarionticas son celulas primitovas que no tienen organelos rodeados por membranas. Su material nuclear se encuentra flotando en el citoplasma. Las bacterias se clasifican como procariontas. Las celulas eucariontas son las mas avanzadas y contienen organelos rodeados por membranas. Su material nuclear esta rodeado por una membrane nuclear. Las celulas de las plantas‚ los hongos y los animals son eucarionticas. Las celulas de las plantas
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9700 Paper 2 Question 1 (a) (b) Expected Answers C‚ E‚ D‚ B; centromeres have divided/duplicated; R. split R. replicated (sister) chromatids/(daughter) chromosomes pulled/moved/ separate/migrate to (opposite) poles; ref. to the spindle/microtubules/spindle fibres; R. fibres replication/DNA synthesis; assembly of nucleotides/polynucleotide (chain) formed; (alongside) old/original/both strands‚ act as template; by base/complementary pairing/ A-T and G-C; quantity of DNA doubles/two new double
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Short answer questions – generally complex by their nature and require knowledge and integration of several different concepts 1. Explain what are the end goals of reproductive cloning and therapeutic cloning. Outline the steps both procedures share and the step(s) specific for each procedure. • Reproductive Cloning- Reproductive cloning is a type of cloning which is performed for the purpose of creating a duplicate copy of another organism. It is accomplished using a process called somatic cell
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Malaysia is one of the countries with the most abundant types of tropical tree species available in nature. Woods and timber are important in the economic development of Malaysia especially in the import and export industry. One type of woods with such vital function is Leucaena leucocephala. It is a plant species with many branches and numerous clusters of flat pods that enveloped the seeds (Shelton et al.‚ 1994). L. leucocephala was first brought into Southeast Asia in the last few centuries by
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Chapter 1 Introduction: Themes in the Study of Life Multiple-Choice Questions 1) Which of the following properties or processes do we associate with living things? A) evolutionary adaptations B) energy processing C) responding to the environments D) growth and reproduction E) all of the above Answer: E Topic: Overview Skill: Knowledge/Application 2) Which of the following is not a theme that unifies biology? A) interaction with the environment B) emergent properties C) evolution D) reductionism
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