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Enzymes

Barirah Ashfak 15 preguntas

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Preguntas del test (15)

  1. 1What is Km?
    1. Aa natural, fixed quality of an enzyme
    2. Bthe theoretical maximum reaction rate that can be achieved by an enzyme
    3. Cthe rate of formation of an ES complex
    4. Dthe rate of dissociation of an ES complex
  2. 2What is Vmax?
    1. Aa natural, fixed quality of the enzyme
    2. Bthe theoretical maximum reaction rate that the enzyme can achieve
    3. Cthe highest concentration of substrate in an enzyme-catalysed reaction
  3. 3Which factors affect rate of reaction?
    1. ApH
    2. Bsubstrate/enzyme conc.
    3. Cinhibitors
    4. Dtemperature
    5. Eall of the above
  4. 4Label the axesImagen de la pregunta 4
    1. AVmax
    2. BVmax/2
    3. CKm
    4. DVmax
    5. EVmax/2
    6. FKm
    7. GVmax
    8. HVmax/2
    9. IKm
  5. 5DIPF alters [blank_start]acetylcholinesterase[blank_end], so it switches [blank_start]off[blank_end] the motor neurone and causes [blank_start]paralysis[blank_end].
    1. Aacetylcholinesterase
    2. Boff
    3. Cparalysis
  6. 6Parathion is an [blank_start]insecticide[blank_end]. Long-term exposure causes [blank_start]cholinesterase[blank_end] depression, meaning the motor neurone is permanently switched [blank_start]on[blank_end]. This causes [blank_start]tremors[blank_end] and [blank_start]hyperventilation[blank_end].
    1. Ainsecticide
    2. Bantidepressant
    3. Cchronic
    4. Dcholinesterase
    5. Eseasonal
    6. Ftemporary
    7. Goff
    8. Hon
    9. Itremors
    10. Jsuffocation
    11. Kmania
    12. Lhyperventilation
    13. Mloss of motor control
    14. Nnightmares
  7. 7When a competitive inhibitor binds to the active site, what happens to the Vmax and the Km value?
    1. Anothing
    2. Bhigher Vmax, same Km
    3. Csame Vmax, higher Km
    4. Dlower Vmax, higher Km
  8. 8When a non-competitive inhibitor binds to the active site, what happens to the Km and Vmax values?
    1. Asame Vmax
    2. Bhigher Vmax
    3. Clower Vmax
    4. Dsame Km
    5. Ehigher Km
    6. Flower Km
  9. 9Label the following pathway. Hint: this is where aspirin and ibuprofen work here.Imagen de la pregunta 9
    1. Acyclooxygenase-2
    2. Bcyclooxygenase-1
    3. Cnon-steroidal anti-inflammatory drugs
    4. Dprostoglandins
    5. Eprostoglandins
    6. Finflammation
  10. 10Label the enzymes and their cofactors involved in this reaction. Imagen de la pregunta 10
    1. Aalcohol dehydrogenase
    2. Bpyruvate carboxylase
    3. CNADH
    4. Dbiotin

Información

Descripción
Test sobre Enzymes, creado por Barirah Ashfak el 04/01/2019.
Idioma
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