Chapter 3 Cloze Notes CORNELL NOTES UNIT 2: Cells Directions: Create a Chapter 3: Cell Structure and Function minimum of 5 questions in this column per page I. Cell Theory (Section 3.1) (average). You can use these questions during class A. Early studies led to the development of the cell theory or tutorial to better understand a topic; or at home to better understand 1. Discovery of Cells your notes and prepare for tests and quizzes. a. Robert __________ (1665)—Used compound microscope to
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dioxide from the tissues back to the lungs. In order to function most efficiently‚ haemoglobin needs to bind to oxygen tightly when the oxygen concentration is high in the lungs and be able to release oxygen rapidly in the relatively low partial pressure in the tissues. I will be comparing the structure and function of haemoglobin with the structure and function of collagen‚ which is a structural protein. Collagen’s functions are quite different from those of globular proteins such as enzymes; tough
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phloem transports oxygen as oxygen gets to a plants cell by diffusion. Both stems and roots contain xylem vessels and phloem tubes. In a stem these are grouped into vascular bundles arranged in a ring. In a root these are arranged in the centre forming a structure called the stele. Xylem tissue has the dual functions of support and transport. It contains several different types of cells these are vessel elements‚ traceids‚ fibres and parenchyma cells. In contrast to this phloem tissue is living and
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ROLES‚ DUTIES‚ AND FUNCTIONS OF DIFFERENT TYPES OF PSYCHOLOGISTS What Do Psychologists Do? Psychologists study mental processes and human behavior by observing‚ interpreting‚ and recording how people and other animals relate to one another and the environment. To do this‚ psychologists often look for patterns that will help them understand and predict behavior using scientific methods‚ principles‚ or procedures to test their ideas. Through such research studies‚ psychologists have learned much
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structure of these cells is a flying disk shaped like a donut‚ this is so maximum haemoglobin can be carried allowing maximum amount of oxygen to be transported. Sperm cells A sperm cell is the male reproductive cell that carries the male portion of chromosomes and deoxyribonucleic acid (DNA) information to be fused with the female egg or ovum. The sperm cell carries various amount of heredity information inside the cell nucleus. There are various ways in which sperm can be transmitted to the
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______________________________________ Date: ________________________ Student Exploration: Cell Structure Vocabulary: cell wall‚ centriole‚ chloroplast‚ cytoplasm‚ endoplasmic reticulum‚ Golgi apparatus‚ lysosome‚ mitochondria‚ nuclear envelope‚ nucleolus‚ nucleus‚ organelle‚ plasma membrane‚ plastid‚ ribosome‚ vacuole‚ vesicle Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. What are some of the structures inside a cell that help it to live and perform its role in an organism? ____________________________________________________________
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ROD CELLS Rod cells‚ or rods‚ are photoreceptor cells in the retina of the eye that can function in less intense light than the other type of visual photoreceptor‚ cone cells. Rods are concentrated at the outer edges of the retina and are used in peripheral vision. On average‚ there are approximately 125 million rod cells in the human retina.[1] More sensitive than cone cells‚ rod cells are almost entirely responsible for night vision. STRUCTURE AND FUNCTION Rods are a little longer and leaner
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1. For each structure identified‚ do you think its location affects its ability to function? Why or why not? (Hint: those buried deep in the cell probably do different things than those closer to the cell membrane). Structure does not affect function of the cells‚ cells have a particular structure that enables them to carry out their function in the best way. 2. Draw a labeled diagram of a small section of the plasma membrane and briefly describe its structure and function. 3. Describe
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Describe the key structures and functions of a eukaryotic and prokaryotic cell. Eukaryotic Cell (1) There are many organelles in the eukaryotic cell micrograph above. Some of these organelles are displayed in the prokaryotic micrograph and so‚ I have described the shared organelles in the prokaryotic micrograph section. Mitochondria The mitochondria cells break down nutrients which then creates energy. They act like a digestive system. This process is called cellular respiration. The
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3A The Structure of Cells Monday‚ September 30‚ 2013 • Cytology ○ Cyto = cell ○ Logos = study of • Background ○ 1665 Robert Hook’s Micrographia § Was studying cork cells ○ 1833 R. Brown § Discovered nucleus ○ 1838 M. Schleiden § Said that all plants consist of cells ○ 1839 T. Schwann § All animals consist of cells ○ 1855 Virchow § Cells come only from preexisting cells • The Cell Theory ○ Cells are the structural units of all living things
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