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Quiz

Proteins

Daniel Brand 11 perguntas 3.431 visualizações

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Perguntas do quiz (11)

  1. 1This molecule is... Imagem da pergunta 1
    1. AA triglyceride
    2. BAn alcohol
    3. CAn amino acid
    4. DStarch
  2. 2Which of the following statements are true about proteins? Check all that apply.
    1. AThey are amino acid polymers.
    2. BThey consist of polypeptides.
    3. CPeptide bonds are formed in hydrolysis reactions.
    4. DPrimary structure is the sequence of amino acids.
  3. 3[blank_start]Amino acid[blank_end] sequence determines the [blank_start]primary[blank_end] structure of a protein. This is determined by the codons in DNA and m[blank_start]RNA[blank_end]. [blank_start]Secondary[blank_end] structure refers to one of two shapes that a polypeptide may take: beta-[blank_start]pleated sheet[blank_end] or alpha [blank_start]helix[blank_end]. This is determined by [blank_start]hydrogen[blank_end] bonding. [blank_start]Tertiary[blank_end] structure is the further folding of the polypeptide on itself. The polypeptide begins to form a more complex, unique, three-dimensional shape. Finally, [blank_start]quaternary[blank_end] structure - which does not apply to all proteins - is the interaction between several polypeptides to form a globular protein, one common example being [blank_start]haemoglobin[blank_end], responsible for carrying oxygen.
    1. AAmino acid
    2. Bprimary
    3. CRNA
    4. DSecondary
    5. Epleated sheet
    6. Fhelix
    7. Ghydrogen
    8. HTertiary
    9. Iquaternary
    10. Jhaemoglobin
  4. 4Label the types of bonds found in the tertiary structure of proteins.Imagem da pergunta 4
    1. ADisulphide bridge
    2. BHydrogen bond
    3. CIonic bond
    4. DHydrophobic attraction
    5. EHydrophilic attraction
    6. FHydrophobic attraction
    7. GHydrophilic attraction
    8. HIonic bond
    9. IHydrogen bond
    10. JDisulphide bridge
    11. KHydrophobic attraction
    12. LHydrophilic attraction
    13. MHydrogen bond
    14. NIonic bond
    15. ODisulphide bridge
    16. PHydrophilic attraction
    17. QHydrophobic attraction
    18. RIonic bond
    19. SHydrogen bond
    20. TDisulphide bridge
    21. UHydrophilic attraction
    22. VHydrophobic attraction
    23. WIonic bond
    24. XHydrogen bond
    25. YDisulphide bridge
    26. ZHydrophilic attraction
    27. AAHydrophobic attraction
    28. ABDisulphide bridge
    29. ACIonic bond
    30. ADHydrogen bond
  5. 5[blank_start]Fibrous[blank_end] proteins tend to have structural roles, while [blank_start]globular[blank_end] proteins usually have [blank_start]functional[blank_end] roles.
    1. AFibrous
    2. Bglobular
    3. Cfunctional
  6. 6Functional proteins are more soluble than structural proteins.
    1. AVerdadeiro
    2. BFalso
  7. 7Fibrous proteins are more resistant to changes in pH and temperature than globular proteins.
    1. AVerdadeiro
    2. BFalso
  8. 8Which of the following are structural proteins? Check all that apply.
    1. AElastin
    2. BKeratin
    3. CCollagen
    4. DHaemoglobin
    5. EInsulin
    6. FPepsin
  9. 9[blank_start]Haemoglobin[blank_end] is a [blank_start]functional[blank_end], [blank_start]globular[blank_end] protein with a [blank_start]quaternary[blank_end] structure consisting of [blank_start]four[blank_end] polypeptide sub-units. It also has a [blank_start]prosthetic group[blank_end], which is essential to its purpose of carrying [blank_start]oxygen[blank_end] around the body.
    1. AHaemoglobin
    2. BElastin
    3. CKeratin
    4. DCollagen
    5. Efunctional
    6. Fstructural
    7. Gglobular
    8. Hfibrous
    9. Iquaternary
    10. Jprimary
    11. Ksecondary
    12. Ltertiary
    13. Mfour
    14. Nthree
    15. Otwo
    16. Pfive
    17. Qprosthetic group
    18. Rcarboxyl group
    19. Sactive site
    20. Toxygen
    21. Ucells
    22. Vglucose
    23. Winsulin
  10. 10Insulin contains only alpha helices.
    1. AVerdadeiro
    2. BFalso

Informações

Descrição
Biology (Biological Molecules) Quiz sobre Proteins, criado por Daniel Brand em 14-02-2017.
Idioma
English
Visualizações
3.431
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