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May 08, 2025
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Catalog 2023-2024 [ARCHIVED CATALOG]
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CH 106 Chemistry for Allied Health Lecture Hours: 3 Lab Hours: 2 Credits: 5
Covers the molecular basis for life. Designed for Nursing, Dental Hygiene, EMT, and other Allied Health students who plan to pursue careers in the health science professions. Topics include carbohydrates; lipids; proteins; enzymes, vitamins, and hormones; pathways of metabolism; and nucleic acids. Third term of a three-term sequence.
Prerequisite: Placement into WR 115 (or higher), or completion of WR 090 (or higher); and CH 105 with a grade of C or better; or consent of instructor. Student Learning Outcomes:
- Define monosaccharide, disaccharide, and polysaccharide.
- Given the structure of a monosaccharide, identify the compound as an aldose or ketose.
- Draw the linear structure and ring structure of glucose.
- List three hexoses and one pentose that play important roles in human metabolism.
- Define reducing sugar and explain, in terms of their structure, why lactose and maltose are reducing sugars and sucrose is not.
- Describe the difference in the structures of starch, glycogen, and cellulose and explain why we can digest starch but not cellulose.
- State the difference between (a) a simple and compound lipid, (b) a simple and mixed triacylglycerol, (c) a saturated and unsaturated fatty acid, and (d) a saponifiable and non-saponifiable lipid.
- Define essential fatty acid.
- Draw the general structure of a triacylglycerol, and write the equations for its hydrolysis and saponification.
- Describe the process by which butter becomes rancid.
- Given the iodine number of a lipid, describe the physical properties and most likely source of the lipid.
- Explain how soap functions to remove grease from your hands.
- Draw the general structure and describe the function of the following compound lipids: (a) phosphoglycerides, (b) sphingolipids, and (c) glycolipids.
- Give three examples of non-saponifiable lipids.
- Describe the components and structure of a cellular membrane.
- Write the general structure of an amino acid.
- State the difference between (a) a simple and a conjugated protein and (b) a globular and a fibrous protein.
- Explain how an amino acid or a protein can act as a buffer.
- Define zwitterion and isoelectric point.
- Describe the differences and the types of bonding found in the primary, secondary, tertiary, and quaternary structure of proteins.
- Define native state and denaturation.
- State five methods for denaturing proteins.
- Define metabolism and anabolic and catabolic reactions.
- Identify the parts of an enzyme molecule.
- Describe the method by which enzymes catalyze reactions.
- Explain the lock-and-key and induced fit theories of enzyme action.
- Explain how changes in ph and temperature will affect enzyme activity.
- Define vitamin, and explain why vitamins are essential for normal cellular function.
- Describe the function of hormones in the living organism.
- Define multi-enzyme system, and explain how such systems are regulated.
- Describe the ways in which enzyme activity can be inhibited, and give examples of each type of inhibition.
- List the three components of nucleotides.
- Name the sugars and bases found in DNA and RND.
- Describe the structure of a DNA molecule and its method of replication.
- List three types of RND, and describe their functions.
- Describe the genetic code and its relationship to amino acids and polypeptide chains.
- Describe the steps that occur in protein synthesis.
- Define mutation, and indicate several ways, both positive and negative, in which mutations can affect the normal functions of an organism.
Statewide General Education Outcomes:
- Gather, comprehend, and communicate scientific and technical information in order to explore ideas, models, and solutions and generate further questions.
- Apply scientific and technical modes of inquiry, individually, and collaboratively, to critically evaluate existing or alternative explanations, solve problems, and make evidence-based decisions in an ethical manner.
- Assess the strengths and weaknesses of scientific studies and critically examine the influence of scientific and technical knowledge on human society and the environment.
Content Outline
- Carbohydrates
- Classes of carbohydrates
- Photosynthesis
- Monosaccharides
- Lipids
- Fatty acids
- Lipids containing fatty acids
- Reactions of triacylglycerols
- Tests for triacylglycerols
- Phospholipids
- Steroids and terpenes
- Proteins
- Amino acids
- Properties of amino acids
- Essential amino acids
- Peptide bonds
- Protein structure
- Functions of proteins
- Denaturation of a protein
- Testing for amino acids and proteins
- Enzymes and Digestion of Foodstuffs
- Components of enzymes
- Naming enzymes
- Energy diagrams and catalysts
- Enzymes as catalysts
- Enzyme inhibition
- Digestion of foodstuffs
- Metabolism: Energy Production in the Living Cell
- The role of cellular structures and ATP in metabolism
- The respiratory chain
- Citric acid cycle
- Oxidation of glucose
- Oxidation of fatty acids and glycerol
- Oxidation of amino acids
- Chemistry of Heredity: DNA and RNA. Recombinant DNA Technology and Modern Medicine selected Genetic Diseases.
- Components of the nucleic acids
- Structure of the nucleic acids
- DNA replication
- Protein synthesis
- Cellular control
- Recombinant DNA technology and modern medicine
- Selected genetic diseases - e.g., PKU, Galactosemia, Tay-Sachs
Laboratory Content:
- Synthetic Polymers
- Definition
- Structure
- Preparation
- Carbohydrates
- Identification tests
- Digestion and absorption
- Alpha vs. beta D-glucose
- Lipids
- Physical and chemical properties
- Preparation and comparisons of soap
- Water softening effects
- Nutrition
- Iodide ion in salts
- Calcium in milk
- Phosphates in milk
- Iron in breakfast cereals
- Proteins
- Acid-base properties
- Isoelectric point
- Protein identification
- Denaturation
- Amino acids
- Enzymes
- Chemical nature
- Specificity
- Substrate concentration
- Temperature effect
- pH effect
- Vitamin C
- Content in fruit juices
- Effect in heat on stability
- Urine
- Properties
- Investigation of “pathological” samples
- DNA and RNA
- Replication of DNA
- Transcription of DNA to mRNA
- Translation of mRNA
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