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Quiz

MBB Lecture 1

Mara Sampsyn 7 perguntas

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Perguntas do quiz (7)

  1. 1What is the cell? The cell is a [blank_start]unit of life[blank_end]
    1. Aunit of life
  2. 2The Stanley Miller experiment was created to investigate how large and [blank_start]complex organic[blank_end] compounds were formed. It consisted of a [blank_start]closed system[blank_end] containing inorganic gases such as methane, ammonia and CO2 to represent a [blank_start]prehistoric[blank_end] earth atmosphere. He then added [blank_start]boiling water[blank_end] and heat.
    The gases came [blank_start]together[blank_end] to form more complex organic molecules.
    1. Acomplex organic
    2. Bclosed system
    3. Cprehistoric
    4. Dboiling water
    5. Etogether
  3. 3Spontaneous lipid assembly
    1. AFatty acids are hydrophobic
    2. BFatty acids are hydrophilic
    3. CFatty acids attach to hydrophilic phosphate groups
    4. DHydrophobic phosphate groups attach to fatty acids
    5. EPhospholipids form a bilayer
    6. FBilayers then form vesicles which are called micelles
    7. GPhospholipids form a monolayer
    8. HMonolayers create micelles
  4. 4We then need a [blank_start]controlled flow[blank_end] of molecules through the membrane via protein gates for sugars, amino acids ions and others.
    1. Acontrolled flow
  5. 5A cell must be able to [blank_start]replicate[blank_end] and divide, [blank_start]DNA[blank_end] is the cellular blueprint. It undergoes replication, transcription and translation.
    Overall cells are a mix of macromolecules and small molecules surrounded by a membrane. The building plan is contained on DNA and multiplication is achieved by [blank_start]division[blank_end].
    1. Areplicate
    2. BDNA
    3. Cdivision
  6. 6A bacterial cell is
    [blank_start]30%[blank_end] chemicals
    [blank_start]70%[blank_end] H2O
    [blank_start]15%[blank_end] Proteins
    [blank_start]6%[blank_end] RNA
    [blank_start]4%[blank_end] ions and small molecules
    [blank_start]2%[blank_end] phospholipids
    [blank_start]1%[blank_end] DNA
    [blank_start]2.%[blank_end] Polysaccharides
    1. A30%
    2. B70%
    3. C15%
    4. D6%
    5. E4%
    6. F2%
    7. G1%
    8. H2.%
  7. 7CO2 (carbon dioxide) and N2 (atmospheric nitrogen) must be converted into [blank_start]organic[blank_end] form by [blank_start]photosynthesis[blank_end] and nitrogen [blank_start]fixation[blank_end]. [blank_start]Legumes[blank_end] fix nitrogen in their root [blank_start]nodules[blank_end].

    • Nucleic acids: [blank_start]information[blank_end] storage and transfer
    • Proteins: enzymes and [blank_start]structural[blank_end] proteins, [blank_start]transporters[blank_end], regulators
    • Lipids: building blocks for [blank_start]membranes[blank_end], [blank_start]fat[blank_end], signalling
    • Carbohydrates: Structural role, energy [blank_start]storage[blank_end], signalling
    • Different energy sources: [blank_start]light[blank_end], organic and inorganic molecules
    • Importance of CO2 and N2 fixation
    1. Aorganic
    2. Bphotosynthesis
    3. Cfixation
    4. DLegumes
    5. Enodules
    6. Finformation
    7. Gstructural
    8. Htransporters
    9. Imembranes
    10. Jfat
    11. Kstorage
    12. Llight

Informações

Descrição
idk Biochemistry Quiz sobre MBB Lecture 1, criado por Mara Sampsyn em 10-12-2015.
Idioma
English
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