1) Homeostasis is the condition in which the body maintains a. changing state‚ within an unlimited range. b. an equilibrium point that can change over a narrow range that is compatible with maintaining life c. an equilibrium change that balances external and internal environment such that values of each are equated 2) Anabolism is the a. breakdown of matter. b. expulsion of matter. c. synthesis of matter. d. All of the answers are correct. 3) The sum
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T2:BIOCHEMISTRY AND ANALYSIS:DETECTION OF FATS‚PROTEINS AND CARBOHYDRATES OBJECTIVE The main purpose of the experiment is to understand some general tests that detect fats‚proteins and carbohydrates in foods. INTRODUCTION Carbohydrates are also known as sacharides. There are 4 main groups of carbohydrates‚which are monosaccharides‚ disaccharides‚ oligosaccharides and polysaccharides. Carbohydrates play an important role in living organism as it is the energy storage‚ and it also plays
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Nucleic Acids Study guide I. Basic Info A. The chemical link between generations‚ the source of genetic info chromosomes B. They duplicate amino acid sequences in proteins C. Serves as Blue print of life II. Make up A. They have three parts • 5 Carbon Sugars • Base • A phosphate group III. DNA (Deoxyribonucleic Acid) A. Has a double helix B. Composed of repeating Nucleotides connected together C. Guanine → Cytosine D. Thymine →Adenine E. Linked by hydrogen bonds F. Sugar
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namely carbohydrates and lipids. Carbohydrates‚ which have the empirical formula (CH2O)n‚ acts as the predominant source of metabolic energy in muscle cells during exercise. They are stored in the liver and muscle cells as glycogen which is a branched polymer. Lipids mainly exist as triglycerides‚ which are made up of three fatty acids joined to one glycerol molecule‚ and are stored in adipose tissue. However‚ lipids exist as ketone bodies when in excess. Before a
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MODULE 2: GENETICS‚ VARIATION AND NATURAL SELECTION SPECIFIC OBJECTIVES & EXPLANATORY NOTES 1. Structure and Roles of Nucleic Acids 1.1 illustrate the structure of RNA and DNA using simple labelled diagrams; The genetic substance found in all organisms called DNA or deoxyribonucleic acid is a kind of nucleic acid. Nucleic acids consist of two long polymers of simpler units‚ called nucleotides; that are composed of three (3) main units as shown below: 1) A pentose sugar (deoxyribose
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Freem an‚ Biological Science‚ 4e‚ Chapter 4 Chapter 4 - Nucleic Acids and the RNA World Learning Objectives: Students should be able to... • Sketch a nucleotide‚ label its three basic parts‚ and identify the 2’‚ 3’‚ and 5’ carbons. • Make another sketch showing the primary and secondary structures of DNA. • Describe the primary‚ secondary‚ tertiary‚ and quaternary structures of RNA‚ and explain in what ways RNA differs from DNA. • Explain why and how the secondary structure of DNA allows
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ISOLATION AND CHARACTERIZATION OF NUCLEIC ACIDS Jan Eric C. Balete‚ Dorinne P. Barretto‚ Divine Trisha Angela T. Batac‚ Neill Steven C. Cachuela‚ Karel D. Cartagena Group 2 2C Medical Technology Biochemistry Laboratory ABSTRACT fgdfgdgdfgfdfgd INTRODUCTION Nucleic acids are informational molecules with their primary structure containing a code or set of directions by which they can duplicate themselves and guide the synthesis of proteins. [1] They are very large molecules built from subunits
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Nucleic Acid Structure & Function Charlotte V. Bañes‚ MD Department of Biochemistry Introduction ORGANISM Store and preserve information Pass information to future generations Express information during life’s processes GENETIC INFORMATION Coded along a polymeric molecule (DNA) the chemical basis of heredity Organized into genes units of DNA that encodes a protein or DNA Central Dogma of Molecular Biology Gene Expression & DNA Replication “The genetic information
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BIURET FOOD TEST FOR PROTEINS molecules consisting of one or more chains of amino acids.Proteins are complex molecules that react differently to many compounds but are also fragile and cannot withstand high temperatures or strong acids and bases without degrading. The Biuret Method‚ or biuret test‚ is used to detect the presence of peptide bonds. It has this name because it reacts positively to the biuret molecule’s peptide bonds. Correctly evaluating the number of peptide bonds is a step towards
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Lipids Biochemistry November 13‚ 2013 Lipids Lipids are families of biomolecules including fats and oils‚ waxes‚ steroids ‚ cholesterol and fat soluble vitamins. All lipids are naturally occurring compounds varying greatly in structure but share the common feature of being soluble in non polar solvents such as chloroform and ether but not in water. Lipids consist mainly of carbon and hydrogen atoms linked by non polar covalent
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