04-BS-13
Worked solutions to 8 past sittings (2013–2019), 73 questions. Pick a sitting, or start from a topic below.
Topics across the sittings
Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.
- Specific Growth Rate (4 sittings): December 2016 Q7 · May 2016 Q8 · December 2015 Q7 · December 2013 Q7
- Eukaryotes (3 sittings): December 2016 Q6 · May 2013 Q9 · Undated paper Q7
- Prokaryotes (3 sittings): December 2016 Q6 · May 2013 Q9 · Undated paper Q7
- Water Activity (3 sittings): December 2019 Q8 · December 2013 Q8 · May 2013 Q7
- Yield (3 sittings): December 2016 Q7 · December 2013 Q7 · Undated paper Q3
- Actual (2 sittings): December 2019 Q5 · December 2013 Q1
- Bacterial Classification (2 sittings): December 2019 Q7 · December 2015 Q10
- Bacterial Morphology (2 sittings): May 2013 Q9 · Undated paper Q7
- Bioreactor Design Data (2 sittings): December 2013 Q5 · Undated paper Q1
- Ethanol (2 sittings): December 2016 Q4 · May 2013 Q2
- Fungal Spores (2 sittings): December 2019 Q7 · December 2015 Q10
- Plant Cell Wall (2 sittings): December 2016 Q1 · May 2016 Q1
- Plasmids (2 sittings): December 2019 Q7 · December 2015 Q10
- Single-Cell Protein from Hexadecane (2 sittings): December 2019 Q4 · December 2016 Q3
- Yeast Growth on Glucose (2 sittings): December 2013 Q4 · Undated paper Q4
Questions by sitting
December 2019
- Question 1: Morphology of Plant and Animal Material — Relation to Handling and Processing
- Question 2: Continuous Stirred-Tank Fermenter — Unsteady-State Cell Balance
- Question 3: Heat of Reaction for Fumarase-Catalyzed Malate→Fumarate Conversion
- Question 4: Single-Cell Protein from Hexadecane — Stoichiometry and Yield Coefficients
- Question 5: Cellulomonas SCP from Glucose — Actual vs. Maximum Theoretical Yield
- Question 6: Aerobic Growth of S. cerevisiae on Ethanol — Stoichiometry from RQ
- Question 7: Bacterial Classification, Fungal Spores, and Plasmids
- Question 8: Listeria Growth Curve — Effect of Temperature, Water Activity, and MAP
- Question 9: Batch Growth Kinetics from Two Semilog Data Points
December 2018
- Question 1: Nitrogen Requirement and Ethanol Yield in Fermentation
- Question 2: Baker's Yeast Growth — Batch Reactor Media Requirements
- Question 3: Backyard Fermenter — Cooling-Water Energy Balance
- Question 4: Theoretical Yield Coefficients — ATP Method and Recombinant Protein Production
- Question 5: Rheology and Gross Structure of Biological Materials
- Question 6: Bacterial Nutrition, Media Types, Transport Mechanisms, and Cell-Wall Structure
- Question 7: Pure Culture Technique, Fermentation vs. Respiration, and Media Diversity
- Question 8: Sterilization Methods and Refrigeration of Pasteurized Milk
December 2016
- Question 1: Plant Cell Wall, Pigments, Turgor Pressure, and Cereal Grain Structure
- Question 2: Continuous Fermenter — Unsteady-State Cell Mass Balance
- Question 3: Single-Cell Protein from Hexadecane — Stoichiometric Coefficients
- Question 4: Oxygen Demand With vs. Without Growth; Maximum Biomass Yield From Glucose vs. Ethanol
- Question 5: Citric Acid Fermentation — Cooling Requirement
- Question 6: Prokaryotes vs. Eukaryotes, Fungal Classes, Protozoa vs. Algae, Gram-Stain Cell Envelope
- Question 7: Batch Mold Growth Kinetics — Specific Growth Rate, Yield, and Scale-Up
- Question 8: Cytoplasm, Nucleus, Ribosome/Chloroplast/Mitochondria, Bacterial Shape Classes
May 2016
- Question 1: Plant vs. Animal Cell Structure and the Plant Cell Wall
- Question 2: Fed-Batch Fermenter — Total and Substrate Mass Balances
- Question 3: Septic Tank Unsteady-State Organic-Material Balance
- Question 4: Growth Stoichiometry and Yield Coefficients on Glucose
- Question 5: Ammonia and Oxygen Demand for Recombinant Protein Production
- Question 6: Cooling Requirement for Immobilized-Cell Glutamic Acid Production
- Question 7: Rapid Methods, MPN, Coliform Plate Count, and Virus Structure
- Question 8: Hybridoma Batch Culture — Specific Growth Rate and Doubling Time
- Question 9: Growth Yields, Microbial Classification, Monod Kinetics, and Thermal Death
December 2015
- Question 1: Klebsiella aerogenes Oxygen Requirement from Glycerol
- Question 2: Yeast Continuous Culture — Are Other Products Synthesized?
- Question 3: Methylophilus methylotrophus — Maximum Yield and Oxygen Demand
- Question 4: Nitrification — Cell Mass Produced in a Septic Tank
- Question 5: Cell Wall Structure and Mechanical Properties of Plant and Animal Tissue
- Question 6: Unsteady-State Mass Balances on a Continuous Stirred-Tank Reactor
- Question 7: E. coli Batch Culture — Specific Growth Rate and Biomass Yield
- Question 8: Mean Generation Time for a Ternary-Fission Microorganism
- Question 9: Measuring Oxygen Uptake Rate and $k_La$ in a Bioreactor
- Question 10: Bacterial Classification, Fungal Spores, and Plasmids
December 2013
- Question 1: Ethanol Production by Yeast — Actual vs. Thermodynamic-Maximum Yield
- Question 2: Effect of Cell Growth on Oxygen Demand — Ethanol to Acetic Acid
- Question 3: Baker's Yeast Fermenter — Rate of Heat Removal
- Question 4: Yeast Growth on Glucose — Yield Coefficients and Oxygen Requirement
- Question 5: Bioreactor Design Data and Operating-Mode Selection
- Question 6: Gross Cell Structure and Its Effect on Downstream Processing
- Question 7: Hairy-Root Culture Kinetics — Specific Growth Rate, Sugar Uptake and Yield
- Question 8: Listeria Growth Curve Under Modified Temperature, Water Activity and Atmosphere
- Question 9: Diauxic Growth of E. coli on a Glucose:Lactose Medium
- Question 10: Bacterial Cell Wall Structure, Virus Comparison, and Pure Culture
May 2013
- Question 1: Elemental & Electron Balance for Clostridium acetobutylicum Fermentation
- Question 2: Batch Fermentation Mass Balance — Ethanol and Propenoic Acid Yield
- Question 3: Energy Balance on a Continuous Fermenter
- Question 4: Aerobic Growth Stoichiometry of S. cerevisiae on Ethanol
- Question 5: Protective, Conductive and Ground Tissues in Plant/Animal Material
- Question 6: Rheology of Biological Material — Cell Size, Shape, Volume and Intercellular Spaces
- Question 7: Water Movement, Free vs. Bound Water, and Water Activity
- Question 8: Morphological Organization and Physical Handling/Processing
- Question 9: Bacterial Morphology, Prokaryote vs. Eukaryote, and Culture Media
- Question 10: Virus Morphology and the Beneficial/Harmful Roles of Fungi
Undated paper
- Question 1: Bioreactor Design Data and Mode-of-Operation Selection
- Question 2: Water Relations in Plant and Animal Cells
- Question 3: Hexadecane Growth — Elemental Balance, RQ, Yield, Heat Generation
- Question 4: Yeast Growth on Glucose — Observed vs. Maintenance-Corrected Yields
- Question 5: Electron-Balance Derivation of the Biomass-Yield–RQ Relation
- Question 6: Cooling-Duty Estimate for an Alginate Fermentation
- Question 7: Bacterial Morphology, Prokaryotes vs. Eukaryotes, and Virus Characteristics
- Question 8: Fungi and Comparative Virus Biology
- Question 9: Diauxic Growth of E. coli on Glucose/Lactose