W2: Assignment 2 Lisa Majdecki South University Online THE ORGANELLES OF EUKARYOTIC CELLS . The difference between Prokaryotic and Eukaryotic Cells is organelles‚ membrane enclosed structures that perform specific duties. The most important of all is the “nucleus‚” this holds the DNA and is surrounded by a double membrane. The Prokaryotic lacks a nucleus which is not partitioned from the other cells by membranes. The region between the nucleus and plasma membrane is called
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substance within the membrane is the cytosol‚ containing the organelles. • All cells contain chromosomes that have genes in the form of DNA. • All cells also have ribosomes‚ tiny organelles that make proteins using the instructions contained in genes. • A major difference between prokaryotic and eukaryotic cells is the location of chromosomes. • In a eukaryotic cell‚ chromosomes are contained in a membrane-enclosed organelle‚ the nucleus. • In a prokaryotic cell‚ the DNA is concentrated
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Unit 5 – Anatomy and Physiology for Health and Social Care Cells Introduction For this assignment I will have to talk about the organisation‚ e.g. cells‚ tissues‚ organs and systems. And the cells‚ e.g. cell membrane‚ nucleus‚ cytoplasm; organelles- mitochondria‚ smooth and rough endoplasmic reticulum‚ golgi apparatus and lysosome. Organisation; Every individual is composed of billions of microscopic units called cells. The cells carry out vast numbers of chemical reactions and processes
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Name: Danielle Sposeto Date: 05-12-2013 Instructor’s Name: Lee Ott Assignment: SCIE207 Phase 2 Lab Report Title: Animal and Plant Cell Structures Instructions: Your lab report will consist of the completed tables. Label each structure of the plant and animal cell with its description and function in the tables provided. When your lab report is complete‚ post it in Submitted Assignment files. 1. Animal Cell: Observe the diagram showing the components of an animal cell. Using
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Page 1 of 8 BIOLOGY 12- CELL STRUCTURE & FUNCTION Chapter Notes THE CELL THEORY • Although different living things may be as unlike as a violet and an octopus‚ they are all built in essentially the same way. The most basic similarity is that all living things are composed of one or more cells. This is known as the Cell Theory. • our knowledge of cells is built on work done with microscopes • English scientist Robert Hooke in 1665 first described cells from his observations of cork slices
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Taft Ave‚ Manila‚ Philippines *Email: cadizpriscillamariel@yahoo.com Cell Fractionation allows the organelles to be studied in more depth and detailed. It is an important technique in Cell Biology because it enables to obtain precise information about the different structure and functions of the organelles. Certain organelles contain specific enzymes with a specific function. These organelles are called Marker Enzymes. In this experiment‚ four enzymes were assayed namely Alkaline phosphodiesterase
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monks lived in. there are many different parts of the cell but all serve a purpose. These many parts of the cells are called organelles. A cell lacking a membrane bound nucleus is called a prokaryotic cell. In a eukaryotic cell is a cell in which the organelles are bound in membrane. This is the most common type of cell. The gel-like substance that contains all the organelles in a cell is called the cell membrane. The cell membrane protects the cell from its surroundings. It is made mostly of a double
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me. So welcome as a new Ribosome organelle in the cell world‚ I’m going to make you familiar with your new home. We are going to start off with the Cell Membrane. The Cell Membrane is the selective barrier that’s surrounding the cell. Since you’re a newbie you need to know that the cell membrane allows only certain things to pass into it‚ but that’s only if it’s made of proteins and other things. What is important is that you know that I’m the largest organelle and I am determined to function
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structure and function of each of the following organelles: Cell membrane (plasma membrane) – Made of two phospholipid molecules (bilayer)‚ proteins‚ and carbohydrates. Controls what enters and exits the cell. Ribosome – Round organelle that either floats freely in the cytoplasm or is attached to the rough E.R. Used by the cell to produce proteins. Lysosome – Round organelle containing digestive enzymes. Breaks down molecules‚ destroys old cell organelles and controls apoptosis. Nucleus –
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Chapter 3 The Body I. The cell The cell is the basic unit of life in our bodies. It has many “little organs” in them called organelles. Organelles have very specific functions. One example of an organelle is the mitochondria. Cells require nutrients and get rid of waste and live and die- just like us. II. Tissues‚ organs‚ organ systems Cells group together and form _____________________________ Some examples are: Tissues group together and form
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