BACE Exam (Version A & B) EXAM 2022

1. Say you have a 1.0 mg/ml solution and some rando gives you 100 micro- liters of the solution to your 100 microliters. What is the dilution ratio?: 1:2 2. What does step mean in serial dilutions?: Number of times you do the fold 3. What does fold mean in serial dilution?: Factor by which you are diluting, Ex: 1/2 4. How many grams in a Kg: 1000 grams 5. How many minimoles (mM) in a mole?: 1000 minimoles 6. How many mL in a L?: 1000 mL 7. Should the concentration (independent variable) be on the X or Y axis?: X axis 8. NaCl Bond: Ionic 9. H2O Bond: Polar Covalent 10. CH4: Nonpolar Covalent 11. What should be used to calculate the amount of compound required to make a solution?: Molecular Weight 12. Carbohydrates: Example: Cellulose Function: Energy Storage, Receptors, Structure of plant cell wall 13. Lipids: Example: Cholesterol Function: Membrane Structure, Energy Storage, Insulation 14. Proteins: Example: Enzyme Function: Structure, Receptors, Transport 15. Nucleic Acids: Example: RNA Function: Information Storage and Transfer 16. What does a solvent do?: Dissolves the solute 17. What does the solute do?: dissolves in the solvent 18. When microorganisms (usually yeast) undergo fermentation, they obtain their energy by: Anaerobic Respiration 19. How does DNA differ from one species to another?: The number of genes and non-coding regions 20. Prokaryotic DNA: Circular, long DNA containing several thousand genes 21. Plasmid DNA: Cytoplasmic