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                  BIO 171 - Introduction to Molecular and Cellular BiologyCredits: 4 Instructional Contact Hours: 6
  Studies the scientific method, diversity of life with emphasis on biochemistry, cell structure and function, bioenergetics and metabolism, molecular, Mendelian and developmental genetics.
  Prerequisite(s): READING LEVEL 3, WRITING LEVEL 3, MATH LEVEL 5 and CHM 111  with a grade of C or higher Corequisite(s): None Lecture Hours: 45 Lab Hours: 45 Meets MTA Requirement: Natural Science Lab Pass/NoCredit: Yes
  Outcomes and Objectives 
	- Demonstrate skills associated with the common student learning outcomes for Delta College.
	
		- Competently communicate in the language of the discipline.
 
		- Demonstrate the ability to think critically through scientific and quantitative reasoning.
 
		- Use cooperative interactions to learn and accomplish complex tasks
 
		- Access scientific information from a variety of sources for purposes learning and critical evaluation.
 
	 
	 
	- Demonstrate the process of science in order to engage in scientific investigations.
	
		- Outline the steps of the scientific method.
 
		- Plan an experiment using the steps of the scientific method.
 
		- Classify data as either qualitative or quantitative.
 
		- Emphasize the use of safety during scientific investigation.
 
		- Use of spreadsheets to track and analyze data.
 
		- Demonstrate competency in performing specific laboratory techniques, including spectrophotometry, use of standard curves, microscopy, cell transformation, sterile technique, gel electrophoresis and tests for various carbohydrates.
 
		- Analyze data from specific laboratory approaches including DNA sequencing, restriction mapping, Edmund degradations, reciprocal crosses and genetic chromosome mapping.
 
	 
	 
	- Recognize the broad unifying themes in the study of living things.
	
		- List the characteristics of life which are common to all organisms/cells.
 
		- Provide several examples of the correlation of structure and function at the organismal, cellular and sub-cellular level.
 
		- Explain the common aspects of the inheritance of biological information as based in nucleic acids and base pairing.
 
		- Discuss evolution as a core theme of biology noting that its effects can be seen at the molecular, subcellular, and organismal levels.
 
	 
	 
	- Demonstrate an understanding of how the living properties of cells are manifest from the physical properties of macromolecules and systems of organelles.
	
		- CLASSIFICATION
		
			- Classify cells into different kingdoms based on structure, specialization and metabolic characteristics.
 
			- List three parts of the cell theory and briefly describe its development.
 
			- Explain why cells are small, and be able to calculate the surface area to volume ratio as it relates to the size of the cell.
 
			- List five basic differences between prokaryotic and eukaryotic cells.
 
			- Using a microscope, distinguish between cell types characteristic of the five kingdoms.
 
			- Prepare materials for microscopic observation and demonstrate the correct procedure for using and storing a compound microscope.
 
		 
		 
		- MACROMOLECULES
		
			- Apply the basic concepts regarding the structure and organization of matter and energy to biological systems as typically presented in the fields of chemistry and physics.
 
			- Identify the biologically important functional groups and their chemical properties.
 
			- Identify and describe the structure and function of carbohydrates, lipids, nucleic acids and proteins as classes of macromolecules.
 
			- Discuss how carbohydrates, lipids, nucleic acids and proteins support cell structure, energy use, information storage and chemical catalysis.
 
			- Describe the consequences of dehydration and hydrolysis reactions and how they are dependent upon water.
 
			- Describe the four levels of protein structure and the forces that help maintain the integrity of each.
 
			- Discuss the various ways that organisms/cells interact with their environment.
 
		 
		 
		- MEMBRANES
		
			- Understand the biochemistry of phospholipids and how they are organized into membranes.
 
			- Compare and contrast the terms diffusion, facilitated diffusion and osmosis.
 
			- Predict the behavior of a cell in an isotonic, hypertonic, and hypotonic environment.
 
			- Define active transport.
 
			- Discuss the membrane models involved in diffusion, facilitated diffusion, and active transport.
 
			- Differentiate between endocytosis and exocytosis.
 
			- Describe the operation of sodium-potassium pumps and the proton pumps.
 
		 
		 
		- CELL SIGNALLING
		
			- Discuss the signal hypothesis.
 
			- Indicate the functions of cell surface receptors and cell surface markers.
 
		 
		 
		- ORGANELLES
		
			- Describe techniques and tools used to study cells such as microscopy, centrifugation, and radioactive tracers.
 
			- Identify and describe the cell organelles and how they function.
 
			- Identify which organelles belong to the endomembrane system.
 
			- Identify the path of a secreted protein through the cell.
 
		 
		 
	 
	 
	- Demonstrate an understanding of the metabolic strategies that cells utilize.
	
		- ENERGETICS AND ENZYMES
		
			- Discuss the energetics of coupling reactions.
 
			- Identify different types of potential energy within a cell. (concentration gradients, electronegativity, repulsion of like-charges, order)
 
			- Identify cellular processes that convert one type of stored energy into another type of energy.
 
			- Apply the principles of entropy, enthalpy, endergonic, exergonic, catabolism, anabolism, dehydration reactions, and hydrolysis reactions with macromolecule metabolism.
 
			- Explain how energy is stored in the structure of ATP.
 
			- Define activation energy and describe how it is related to reaction rate and how it can be altered.
 
			- Describe the role of enzymes as chemical catalysts in biological systems.
 
			- Explain in terms of chemical properties of amino acids how an enzyme is capable of possessing substrate specificity.
 
			- Identify that pH, temperature, enzyme concentration, substrate concentration and inhibitors can all affect the activity of an enzyme.
 
			- Explain in chemical terms how pH, temperature, enzyme concentration, substrate concentration and inhibitors can all affect the activity of an enzyme.
 
			- Explain in terms of the Law of Mass Action the difference between competitive and non-competitive inhibitors.
 
			- Diagram a generalized biochemical pathway.
 
			- Explain the role of kinases in the cell.
 
		 
		 
		- RESPIRATION AND FERMENTATION
		
			- Describe glycolysis in general terms, including initial reactants, products, as well as net vs. total ATP production.
 
			- Explain the chemical consequences of the early phosphorylation events of glycolysis.
 
			- Describe the role of the citric acid cycle, the electron transport chain and oxidative phosphorylation in cellular respiration.
 
			- Compare the overall energy efficiency of the complete aerobic degradation of one molecule of glucose with the efficiency of glycolysis alone.
 
			- Explain the role of NADH and FADH in glycolysis and the citric acid cycle as electron carriers.
 
			- Explain the relative ATP yields or NADH and FADH in terms of oxidative potential and the electron transport chain.
 
			- Distinguish between substrate and oxidative phosphorylation.
 
			- Explain the significance of oxygen and hydrogen in biological redox reactions.
 
			- Briefly describe the role of the citric acid cycle in intermediary metabolism touching on deamination and beta-oxidation.
 
			- Describe alcoholic fermentation in terms of needing to recycle electron acceptors, its energy output and its end products.
 
			- Describe three ways in which living organisms generate ATP and indicate which is more efficient.
 
			- Describe the process of anaerobic respiration as it occurs in human muscle.
 
			- Identify the stage of glycolysis, respiration and/or fermentation in which these intermediates are produced or involved: glucose, pyruvate, acetyl, acetyl CoA, oxaloacetate, citrate, oxygen, water, carbon dioxide, hydrogen ions.
 
			- Identify the cellular location of the different stages of glycolysis, citric acid cycle, and fermentation.
 
		 
		 
		- PHOTOSYNTHESIS
		
			- Describe the properties of light in terms of energy content and photons.
 
			- Name the stages of eukaryotic photosynthesis and indicate which processes require light and why.
 
			- State the overall equation for photosynthesis and explain why water is included on both sides of the equation.
 
			- Explain how photosynthesis I and II produce ATP and NADH.
 
			- Compare and contrast non-cyclic and cyclic electron flow.
 
			- Describe how RUDP, glyceraldehyde-3 phosphate and PGAL fit into the Calvin Cycle.
 
			- Define photorespiration and its potential hazard to plants.
 
			- Discuss how CAM and C4 plants combat excessive photorespiration.
 
			- Identify the location of the light and dark reactions inside the chloroplast.
 
			- Discuss the complementary nature of photosynthesis and aerobic respiration.
 
		 
		 
	 
	 
	- Demonstrate an understanding of how cells use genetic information for protein synthesis.
	
		- STRUCTURE AND FUNCTION OF NUCLEIC ACIDS
		
			- Recognize and properly label the chemical components of a DNA molecule.
 
			- Identify the contributions of: Griffiths, Avery et al., Hershey and Chase, Chargaff, Wilkins and Franklin, Watson and Crick to the discovery of DNA as the information molecule.
 
			- Explain what is meant by semi-conservative replication.
 
			- Explain the experiments which lead to understanding that DNA is replicated semi-conservatively.
 
			- Discuss the role of the following in DNA replication: origin of replication, strand separation, priming, polymerase, Okazaki fragments, ligase, proofreading and DNA repair.
 
			- List five differences between DNA and RNA.
 
			- Describe diagrammatically the processes of DNA replication, RNA
 
		 
		 
		- PROTEIN SYNTHESIS
		
			- Explain transcription, and translation. (The central dogma.)
 
			- Given a DNA coding strand and a table of codons/amino acids, determine the complimentary mRNA strand, tRNA anticodons, and the amino acid sequence that would be translated.
 
			- Discuss the contributions of Garrod, Beadle and Tatum to our current understanding of the gene.
 
			- Compare and contrast eukaryotic and prokaryotic genes and genomes.
 
			- Discuss signal sequences, RNA splicing and processing, spliceosomes and ribozymes.
 
			- Predict the impact of various types of mutation on protein sequence.
 
		 
		 
		- GENE STRUCTURE and REGULATION
		
			- Describe the five regions of the lac operon and how they work together to regulate lactose metabolism.
 
			- Identify the stages in the central dogma at which regulation of gene expression can occur.
 
			- Describe generally the source of antibody diversity.
 
			- Describe the effects of chemical modification of nucleic acids on gene expression.
 
			- Compare and contrast oncogenes and tumor suppressor genes.
 
			- Describe three different levels associated with the control of gene expression.
 
			- Discuss the features specific to eukaryotic genes which allow them to evolve more quickly than prokaryotic genes.
 
			- Discuss development at the organismal level. Include the following in your discussion: totipotent, differentiation, and homeotic genes.
 
			- Compare and contrast eukaryotic and prokaryotic chromosome structures.
 
			- Identify factors in the environment which can act as mutagens and/or carcinogens.
 
		 
		 
	 
	 
	- Demonstrate an understanding of how biotechnology uses genetic information.
	
		- Identify viral structures and replication, distinguish between DNA viruses, RNA viruses and retroviruses.
 
		- Discuss the lytic and lysogenic cycles of bacteriophage
 
		- Discuss the bacterial genome, plasmids, transformation, transduction, and conjugation.
 
		- Define a transposon and name several organisms in which transposons have been identified.
 
		- Distinguish between applied and basic research using examples from recombinant DNA technology.
 
		- Understand how plasmids and lambda viruses are used as vectors to introduce DNA to a cell.
 
		- Know the natural function of restriction endonucleases and how a normal bacterial cell protects its DNA from their activity.
 
		- Explain the basic steps of gene cloning.
 
		- Explain selection of transformed colonies.
 
		- Explain Southern blot hybridization.
 
		- Explain the theory of genetic diagnosis based on RFLPs.
 
		- Explain the theory of PCR.
 
		- Identify the role of HUGO in molecular genetics today.
 
		- Discuss the implication of gene therapy in society from both practical and ethical views.
 
	 
	 
	- Demonstrate understanding of the relationships between cell division and patterns of genetic inheritance.
	
		- MITOSIS
		
			- Describe and identify the major events of each stage of mitosis and interphase.
 
			- Discuss cancer at the cellular level in terms of cell cycle control, signal transduction, the multiple-hit hypothesis, treatment strategies and specific genes such as p53.
 
		 
		 
		- MEIOSIS
		
			- Describe and identify the major events in each stage of meiosis.
 
			- Understand the genetic consequences of crossing over and independent assortment.
 
			- Indicate the evolutionary advantages and disadvantages of sexual reproduction and describe the most current explanation for its initial development.
 
			- Define aneuploidy and polyploidy and discuss three human conditions resulting from abnormal chromosome number.
 
			- Interpret human karyotypes. 
 
			- Differentiate between the products of mitosis and meiosis in number and genetic composition.
 
		 
		 
		- TRANSMISSION GENETICS
		
			- Identify the stage of meiosis where the following genetic process occur: crossing-over, independent assortment, segregation and non-disjunction.
 
			- Define and properly use the terms: dominance, recessive, hybrid, monohybrid, dihybrid, genotype, allele, locus, sex-influenced, sex-limited, mutation, linkage group, crossing over, and non-disjunction.
 
			- Utilize the principles of probability in predicting outcomes of genetic crosses involving: monohybrid, dihybrid, sex-linked, incomplete dominance, and multiple alleles.
 
			- Perform pedigree analysis.
 
			- Apply the product rule to calculate the probability of independent event occurring together in a genetic cross involving more than one gene pair.
 
			- Describe modifications of Mendel's principles based on the acquisition of new data: i.e. polygenic inheritance, multiple alleles, sex-linked traits, epistasis, and incomplete dominance penetrance.
 
			- Describe the role of the genetic counselor and explain the importance of diagnostic testing and family history in the counseling process.
 
			- Discuss current potentials and problems associated with recent advances in the field of genetics.
 
			- Explain and state the evidence for the chromosome theory of heredity.
 
			- Explain how the recombination of linked genes can be used to map chromosomes.
 
			- Discuss different chromosomal sex determination systems.
 
			- Relate the concept of dosage compensation and the observation of Barr Bodies with the Lyon Hypothesis.
 
		 
		 
	 
	 
 
				  
  
			
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