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BCHM2000 S20 Lecture 1

Yula Peppers 4 questions

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Questions in this quiz (4)

  1. 1BiomoleculesImage for question 1
    1. AWater
    2. BChemicals
    3. CSaline
    4. DSulfur
    5. EChemicals
    6. FWater
    7. GFree Molecules
    8. HEnzymes
    9. IProteins
    10. JPolysaccharides
    11. KSmall Molecules
    12. LPhospholipids
    13. MRNA
    14. NDNA
    15. OPhospholipids
    16. PDNA
    17. QSmall Molecules
    18. RProteins
    19. SRNA
    20. TPolysaccharides
    21. URNA
    22. VPhospholipids
    23. WSmall Molecules
    24. XDNA
    25. YPolysaccharides
    26. ZProteins
    27. AAProteins
    28. ABSmall Molecules
    29. ACDNA
    30. ADRNA
    31. AEPolysaccharides
    32. AFPhospholipids
    33. AGDNA
    34. AHProteins
    35. AIPolysaccharides
    36. AJPhospholipids
    37. AKRNA
    38. ALSmall Molecules
    39. AMSmall Molecules
    40. ANPolysaccharides
    41. AOPhospholipids
    42. APDNA
    43. AQProteins
    44. ARRNA
  2. 2Life, as we know it, occurs exclusively in [blank_start]aqueous[blank_end] [blank_start]solution[blank_end]
    1. Aaqueous
    2. Bsolution
  3. 3Structure of Water

    • [blank_start]highly[blank_end] [blank_start]polar[blank_end] solvent
    • liquid water - [blank_start]rapidly[blank_end] [blank_start]fluctuating[blank_end], [blank_start]extended[blank_end] networks of [blank_start]hydrogen[blank_end] bonds
    • hydrogen bonds: [blank_start]strong[blank_end] [blank_start]non-covalent bond[blank_end], 20 kJ mol-1
    • [blank_start]Covalent[blank_end] Bond= 459 kJ mol-1 (O-H, water)

    These properties and others are [blank_start]peculiar[blank_end] to water; [blank_start]no[blank_end] other solvent resembles water in this respect.
    1. Aextended
    2. Bhydrogen
    3. Chighly
    4. Dpolar
    5. Erapidly
    6. Ffluctuating
    7. Gstrong
    8. Hnon-covalent bond
    9. ICovalent
    10. Jpeculiar
    11. Kno
  4. 4Water as a Solvent
    [blank_start]excellent[blank_end] solvent for [blank_start]polar[blank_end] and [blank_start]ionic[blank_end] ([blank_start]hydrophilic[blank_end]) materials
    [blank_start]poor[blank_end] solvent for [blank_start]non-polar[blank_end] ([blank_start]hydrophobic[blank_end]) substances

    Most biological molecules have [blank_start]both[blank_end] polar and non-polar segments (proteins, lipids etc.)

    polar segments are [blank_start]hydrated[blank_end] ([blank_start]contact[blank_end] water)
    non-polar segments are [blank_start]excluded[blank_end] (do not contact [blank_start]water[blank_end])
    1. Apolar
    2. Bionic
    3. Chydrophilic
    4. Dpoor
    5. Eexcellent
    6. Fnon-polar
    7. Ghydrophobic
    8. Hboth
    9. Ihydrated
    10. Jcontact
    11. Kwater
    12. Lexcluded

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Description
Quiz on BCHM2000 S20 Lecture 1, created by Yula Peppers on 10/01/2020.
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