transport protein that carries oxygen from the lungs to the tissues and carries carbon 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
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Cell Structure Vocabulary Cell Membrane → the semipermeable membrane surrounding the cytoplasm of a cell. Cell Wall → a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants‚ fungi‚ and bacteria. In the algae and higher plants‚ it consists mainly of cellulose. Cellular Respiration → A series of metabolic processes that take place within a cell in which biochemical energy is harvested from organic substance (e.g. glucose) and stored as energy carriers
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-dz assignment Diagram Micrograph Structure (noun) Function (verb) Relationship between S/F Nucleus - Nucleus composed of chromatin‚ nucleoplasm‚ a nucleolus‚ and a nuclear envelope - Has large pores (nuclear pores/nuclear envelope) - Nuclear envelope has a double membrane - Diameter of 5 micrometers - spherical shape - controls all cell activity by directing which enzymes are made for specific functions - stores the genetic material of the cell (DNA) - directs
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CHEM120 Week 7 iLab: DNA‚ mRNA‚ and Protein (30 points) Name: Kaylee Klefman Complete the two questions below. Each question has four parts. This assignment is two pages long. Question 1: For the following double-stranded DNA sequence‚ -CATTGACCGTAA- -GTAACTGGCATT- Answer the following questions: a) Assume that RNA polymerase will read the top strand of DNA as the “template” to synthesize mRNA. What will be the sequence of the mRNA synthesized? (3 points) The new mrna
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Experiment 2: Food Tests Objective * To study the presence of reducing sugars. * To study the presence of protein. Introduction In this experiment‚ glucose‚ maltose‚ lactose and sucrose are used for testing reducing and non-reducing sugars. Glucose is monosaccharide while maltose‚ lactose and sucrose are disaccharides of carbohydrates. Monosaccharaides are the monomers which make up all other carbohydrates and cannot be broken into smaller molecules by hydrolysis. Disaccharides are
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Chapter 3: Cell Structure Notes The cell is the basic unit of biologic organization of the human body Protoplasm: an aqueous colloidal solution of carbohydrates‚ proteins‚ lipids‚ nucleic acids‚ and inorganic salts surrounded by a limiting cell membrane Cells in our respiratory tract produce mucus to trap dust and microorganisms that get past the hairs in our nose then move the material to our throat to be swallowed and passed out through the digestive system The most prominent structure in the cell
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ESSAY ‘The structure and importance of the plasma membrane found within and around all cells’ The plasma membrane surrounds all eukaryotic and prokaryotic cells. Eukaryotic cells have membrane bounded organelles whereas prokaryotic cells do not. The plasma membrane forms the boundary between the cell cytoplasm and the environment. Its function are to allow different environments to be established inside and outside the cell. It also controls the movement of substances into and out of the cell.
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is organizational structure important to organization? What does an organizational chart shows? Organizational structure is very important to an organization. An organizational structure should enable the organization to change or to respond according to its environment. If it is very effective it is called a flexible structure. Mainly there are two types of structures. They are organic structure and mechanistic structure. Organic Structure – an organizational structure that is free flowing
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Mechanistic versus Organic Structures a. Mechanistic Structure is appropriate for organizations focusing on a cost- minimization strategy through tight control‚ extensive division of labor‚ high formalization and centralization. The information network is limited and employees rarely participate in decision making process. b. Organic Structure is decentralized and has low complexity and formalization. It has an extensive information system‚ and employees rarely participate in decision
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substance to cross it more easily than others composed of: Phospholipids Proteins Carbohydrates Cholesterol FLUID MOSAIC MODEL Phospholipids are primary lipids(constantly moving‚ fluidly) AMPHIPATHIC-containing hydrophobic and hydrophilic regions Mosaic part=not made of one thing Freeze-fracture studies:way to view what’s inside FLUIDITY OF MEMBRANE Move within bilayer Most of lipids and some proteins‚ drift laterally Rarely does a molecule flip-flop transversely across the
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