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MOLBIO

MOLBIO
20問 • 1年前
  • Claribelle Gomez
    • 通報

    問題一覧

  • 1

    What is the characteristics feature of Robertsonian translocation?

    A. Attachment of a large fragment with no return attachment

  • 2

    How do chromosomal translocations occur?

    C. Exchange of genetic material between nonhomologous chromosomes

  • 3

    What distinguishes reciprocal (non-Robertsonian) translocation from Robertsonian translocation?

    A. Involves a true exchange of DNA fragments

  • 4

    All of the following are origins of mutations except:

    D. None of the above

  • 5

    Movement of a segment to a different chromosome

    D. Translocation

  • 6

    Loss of a segment

    A. Deletion

  • 7

    What can result from interstitial deletions of large DNA fragments on a single chromosome?

    A. Formation of fusion oncogenes

  • 8

    What class of DNA damage is produced by a chemical mutagens?

    B. Point mutations

  • 9

    Modification of a base caused by migration of a proton or a hydrogen bond--- switching of an adjacent single and a double bond

    A. Tautomerism

  • 10

    Caused by a spontaneous hydrolysis of a purine base (A or G).

    B. Depurination

  • 11

    Why does DNA replication demand a high degree of accuracy?

    A. To prevent mutations

  • 12

    All of the following are stop codons, except;

    D. AGU

  • 13

    The start codon:

    A. Methionine

  • 14

    What is the composition of chromatin?

    B. DNA and protein

  • 15

    What is the function of telomeres?

    B. Protect the ends of chromosomes from shortening

  • 16

    What enzyme maintains telomeres by preventing their shortening?

    C. Telomerase

  • 17

    What happens during the prophase of mitosis?

    D. Chromatin condenses and centrioles move into opposite poles

  • 18

    Which stage of mitosis is characterized by the alignment of sister chromatids along the equatorial plane?

    B. Metaphase

  • 19

    What is the primary outcome of meiosis?

    A. Reduction of chromosome number

  • 20

    The DNA strand are held together by what type of bond?

    A. Hydrogen bond

    • PSTM TEST REVIEWER

    PSTM TEST REVIEWER

    Claribelle Gomez · 42問 · 1年前

    PSTM TEST REVIEWER

    PSTM TEST REVIEWER

    42問 • 1年前
    Claribelle Gomez

    HIS TEST REVIEWER

    HIS TEST REVIEWER

    Claribelle Gomez · 76問 · 1年前

    HIS TEST REVIEWER

    HIS TEST REVIEWER

    76問 • 1年前
    Claribelle Gomez

    ANACHEM FINALS

    ANACHEM FINALS

    Claribelle Gomez · 60問 · 1年前

    ANACHEM FINALS

    ANACHEM FINALS

    60問 • 1年前
    Claribelle Gomez

    PSTM FINALS

    PSTM FINALS

    Claribelle Gomez · 50問 · 1年前

    PSTM FINALS

    PSTM FINALS

    50問 • 1年前
    Claribelle Gomez

    CPH FINALS

    CPH FINALS

    Claribelle Gomez · 68問 · 1年前

    CPH FINALS

    CPH FINALS

    68問 • 1年前
    Claribelle Gomez

    HIS FINALS

    HIS FINALS

    Claribelle Gomez · 49問 · 1年前

    HIS FINALS

    HIS FINALS

    49問 • 1年前
    Claribelle Gomez

    BIOCHEM ADDITIONAL

    BIOCHEM ADDITIONAL

    Claribelle Gomez · 22問 · 1年前

    BIOCHEM ADDITIONAL

    BIOCHEM ADDITIONAL

    22問 • 1年前
    Claribelle Gomez

    LABMAN ADDITIONAL

    LABMAN ADDITIONAL

    Claribelle Gomez · 5問 · 1年前

    LABMAN ADDITIONAL

    LABMAN ADDITIONAL

    5問 • 1年前
    Claribelle Gomez

    CYTOGENETICS

    CYTOGENETICS

    Claribelle Gomez · 52問 · 1年前

    CYTOGENETICS

    CYTOGENETICS

    52問 • 1年前
    Claribelle Gomez

    LABMAN

    LABMAN

    Claribelle Gomez · 7問 · 1年前

    LABMAN

    LABMAN

    7問 • 1年前
    Claribelle Gomez

    BIOCHEM

    BIOCHEM

    Claribelle Gomez · 40問 · 1年前

    BIOCHEM

    BIOCHEM

    40問 • 1年前
    Claribelle Gomez

    MT LAWS

    MT LAWS

    Claribelle Gomez · 60問 · 1年前

    MT LAWS

    MT LAWS

    60問 • 1年前
    Claribelle Gomez

    問題一覧

  • 1

    What is the characteristics feature of Robertsonian translocation?

    A. Attachment of a large fragment with no return attachment

  • 2

    How do chromosomal translocations occur?

    C. Exchange of genetic material between nonhomologous chromosomes

  • 3

    What distinguishes reciprocal (non-Robertsonian) translocation from Robertsonian translocation?

    A. Involves a true exchange of DNA fragments

  • 4

    All of the following are origins of mutations except:

    D. None of the above

  • 5

    Movement of a segment to a different chromosome

    D. Translocation

  • 6

    Loss of a segment

    A. Deletion

  • 7

    What can result from interstitial deletions of large DNA fragments on a single chromosome?

    A. Formation of fusion oncogenes

  • 8

    What class of DNA damage is produced by a chemical mutagens?

    B. Point mutations

  • 9

    Modification of a base caused by migration of a proton or a hydrogen bond--- switching of an adjacent single and a double bond

    A. Tautomerism

  • 10

    Caused by a spontaneous hydrolysis of a purine base (A or G).

    B. Depurination

  • 11

    Why does DNA replication demand a high degree of accuracy?

    A. To prevent mutations

  • 12

    All of the following are stop codons, except;

    D. AGU

  • 13

    The start codon:

    A. Methionine

  • 14

    What is the composition of chromatin?

    B. DNA and protein

  • 15

    What is the function of telomeres?

    B. Protect the ends of chromosomes from shortening

  • 16

    What enzyme maintains telomeres by preventing their shortening?

    C. Telomerase

  • 17

    What happens during the prophase of mitosis?

    D. Chromatin condenses and centrioles move into opposite poles

  • 18

    Which stage of mitosis is characterized by the alignment of sister chromatids along the equatorial plane?

    B. Metaphase

  • 19

    What is the primary outcome of meiosis?

    A. Reduction of chromosome number

  • 20

    The DNA strand are held together by what type of bond?

    A. Hydrogen bond