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372

Oral Biology Preparation (Dr. Try Ky)

 

1 / 100

1)

The process of making messenger RNA (mRNA) from a DNA template by RNA polymerase?

2 / 100

2)

What are the gold standard transcription factors using for generating iPSc?

3 / 100

3)

One strategy to accomplish this goal is nuclear reprogramming, a technique that involves experimentally inducing a stable change in the nucleus of a mature cell that can then be maintained and replicated as the cell divides through mitosis. ?

4 / 100

4)

Growth factor is sometimes used interchangeably among scientists with the term transcription factors.?

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5)

The first differentiation event in humans occurs at approximately —— days of development, when an outer layer of cells committed to becoming part of the placenta (the trophectoderm) separates from the inner cell mass (ICM). ?

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6)

Yamanaka’s factors were chosen because they were known to be involved in the maintenance of pluripotency, which is the capability to generate all other cell types of the body.?

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7)

Growth factor responsible for repair and regeneration: EGF, Epithermal growth factor?

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8)

What are the criteria for achieving to generate iPSc?

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9)

In transcription an mRNA chain is generated, with both strands of the DNA double helix in the genome as a template.?

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10)

A protein that works with transcription factors to decrease the rate of gene transcription?

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11)

Mesenchymal stem cells can be extracted from marrow and non-marrow.?

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12)

Periodontium which includes?

13 / 100

13)

What is the outcome of regeneration?

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14)

Growth factor responsible for repair and regeneration: TGF-b, Transforming growth factor b.?

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15)

A protein that works with transcription factors to increase the rate of gene transcription?

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16)

Mesenchymal stem cells have been confirmed able to differentiated into neuron cell with function?

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17)

Work flow of generating iPSc?

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18)

What do Growth Factors Do?

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19)

All four factors are absolutely necessary. In particular, the gene c-Myc is known to promote tumor growth in some cases, which would not affect iPSC usefulness in transplantation therapies. ?

20 / 100

20)

Retroviruses used to deliver the four transcription factors in the earliest studies is safe to generating iPSCs.?

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21)

If the ICM, inner cell mass, is removed from its normal embryonic environment and cultured under appropriate conditions, the ICM-derived cells can ——————————————- indefinitely and still maintain the developmental potential to form any cell type of the body?

22 / 100

22)

Growth factor responsible for repair and regeneration: PDGF, Platelet derived growth factor?

23 / 100

23)

Embryonic stem cells were banned for basic research practice because it is an unethical practice. Moreover, it cannot create patient-match specific cell line.?

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24)

Growth factors typically act as signalling molecules between cells. Examples are cytokines and hormones that bind to specific receptors on the cytoplasm of their target cells.?

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25)

Mesenchymal stem cells are multi-potent stem cells which is able to differentiate to adult cell like?

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26)

Growth factor responsible for repair and regeneration: FGF, fibroblast growth factor.?

27 / 100

27)

The ICM, inner cell mass, cells have the potential to generate any cell type of the body, after implantation, they are ————– as they differentiate to other cell types with more limited developmental potential. ?

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28)

In our blood, there is a small amount of stem cells which are ready to be differentiate to any cell type under the control of growth factors.?

29 / 100

29)

Cre-Lox recombination is a site-specific recombinase technology, used to carry out deletions, insertions, translocations and inversions at specific sites?

30 / 100

30)

Growth factor is sometimes used interchangeably among scientists with the term?

31 / 100

31)

What is the hierarchy of mesenchymal stem cells?

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32)

ES will support clinical research on the differentiation and function of human tissues and provide material for testing that may improve the safety and efficacy of human drugs ?

33 / 100

33)

Who are/ is the pioneer of generating iPSc?

34 / 100

34)

A specific sequence of DNA that a transcription factor binds to?

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35)

Cytokines are a broad and loose category of long big proteins (~5–20 kDa) that are important in cell signalling.?

36 / 100

36)

Protein synthesis consist of 2 steps. What are they, and where do they take place?

37 / 100

37)

Yamanaka’s factors were used to generating iPSc in 1st generation because:?

38 / 100

38)

A protein that binds to DNA and regulates gene expression by promoting or suppressing transcription?

39 / 100

39)

In the future, possible dentist can use dental pulp stem cells, 3rd mandibular molar, in cell bank due to their pluri-potent.?

40 / 100

40)

What is the biggest conflict of using embryonic stem cells?

41 / 100

41)

When the first human iPSc were generated and published?

42 / 100

42)

A,growth factor is a naturally occurring substance capable of stimulating cellular growth, proliferation, healing, and cellular differentiation. Usually it is a protein or a steroid hormone.?

43 / 100

43)

Transcription factor is a protein that controls the rate of transcription of genetic information from messenger RNA to DNA, by binding to a specific ribosomes.?

44 / 100

44)

What is the outcome of repair?

45 / 100

45)

Why embryonic stem cells were banned for basic research?

46 / 100

46)

What is Yamanaka’s factors?

47 / 100

47)

When the first mouse iPSc were generated and published?

48 / 100

48)

Growth factor responsible for repair and regeneration: KGF, Keratinocyte growth factor?

49 / 100

49)

Embryonic stem cells are derived from embryos at a developmental stage before the time that implantation would normally occur in?

50 / 100

50)

Event during or following protein translation ?

51 / 100

51)

Chromatin immunoprecipitation (ChIP) is a type of immunoprecipitation experimental technique used to investigate the interaction between?

52 / 100

52)

Morphology of mesenchymal stem cells ?

53 / 100

53)

Mesenchymal stem cells can be extract from many types of tissue, but the most commence one is bone marrow.?

54 / 100

54)

There are two major factors influence repair and regeneration?

55 / 100

55)

Some important human diseases are caused by the death or dysfunction of one or a few cell types, e.g., insulin-producing cells in diabetes or dopaminergic neurons in Parkinson’s disease. Therefore, understanding and using stem cells as tool to study this disease model provide a better understand this dysfunction of cell types.?

56 / 100

56)

Why generation of iPSc is so attractive to scientist worldwide?

57 / 100

57)

Stem cell hierarchy from top to bottom?

58 / 100

58)

Growth factors and their receptors can be grouped into ‘superfamilies,’ based upon shared features of ?

59 / 100

59)

What is the hierarchy of embryonic stem cells?

60 / 100

60)

iPSc were generated by:?

61 / 100

61)

In order to identify multi-potency stem cells, ones has to undergo cellar differentiation EXCLUDE?

62 / 100

62)

Activation, or promotion – increase the rate of gene transcription?

63 / 100

63)

What is the hierarchy of induced pluripotent stem cells?

64 / 100

64)

The biggest different of outcome between repair and regeneration on tissue is tissue scaring.?

 

65 / 100

65)

iPSc provided unlimited supplies of ________ cells could be used to generate transplants without the risk of immune rejection.?

66 / 100

66)

Ethical issues associated with the production of ESCs do apply to iPSCs, which offer a controversial strategy to generate patient-specific stem cell lines.?

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67)

Controlling the rate of gene transcription for example by helping or hindering RNA polymerase binding to DNA?

68 / 100

68)

Transcription factors is a protein that control the rate of transcription of genetic information from?

69 / 100

69)

Upon introduction of reprogramming factors, cells begin to form colonies that resemble pluripotent stem cells, which can be isolated based on their:?

70 / 100

70)

How many protein structure were classified?

71 / 100

71)

Embryonic stem cells are derived from embryos at a developmental stage before the time that implantation would normally occur in the uterus. Normally, it takes about 10 days.?

72 / 100

72)

Growth factors are proteins that regulate many aspects of cellular function, including survival, proliferation, migration and differentiation.?

73 / 100

73)

Because ES cells can proliferate without limit and can contribute to any cell type, human ES cells offer an unprecedented access to tissues from the human body. ?

74 / 100

74)

Why transcription factor C-Myc is no longer use for generating iPSc?

75 / 100

75)

The biggest concern of using iPSc as a regenerative tool is the possible of cancer provoke due to infection of transcription factors.?

76 / 100

76)

Cells responsible for repair and regeneration consist of?

77 / 100

77)

An undifferentiated cell of a multicellular organism which is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.?

78 / 100

78)

A growth factor is a naturally occurring substance capable of stimulating cellular growth, proliferation, healing, and cellular differentiation.?

79 / 100

79)

Transcription factors sometime is called ?

80 / 100

80)

The process by which information from a gene is used in the synthesis of a functional gene product such as a protein?

81 / 100

81)

How many types of intra oral tissue?

82 / 100

82)

Repression, or suppression – decrease the rate of gene transcription?

83 / 100

83)

Growth factors and their receptors can be grouped into ‘families,’ based upon shared features of size and location, and into ‘superfamilies,’ based upon shared their functions.?

84 / 100

84)

iPSCs were reprogrammed to an embryonic stem cell-like state by introducing genes important for maintaining the essential properties of embryonic stem cells (ESCs). ?

85 / 100

85)

What is the biggest conflict of using mesenchymal stem cells?

86 / 100

86)

What are the 4 steps of responses of mucosa to damage?

87 / 100

87)

Growth factors and their receptors can be grouped into ‘families,’ based upon shared features of ?

88 / 100

88)

Mesenchymal stem cells is derived from bone marrow. So they can differentiate into hematopoietic cell line.?

89 / 100

89)

Transcription can be divided into 3 stages: initiation, elongation, and termination, each regulated by a large number of proteins such as transcription factors?

90 / 100

90)

The inner cell mass cells have the potential to generate any cell type of the body, but after implantation, they are quickly depleted as they differentiate to other cell types with more limited developmental potential. ?

91 / 100

91)

Growth factor is sometimes used interchangeably among scientists with the term cytokine.?

92 / 100

92)

Non-marrow origin mesenchymal stem cells EXCLUDE ?

93 / 100

93)

Why transcription factors is the most import key to generate iPSc, cell reprogramming?

94 / 100

94)

The main reason for formation of scale is due to detraction of connective tissue.?

95 / 100

95)

The disadvantage of mesenchymal stem cells is that this stem cells are heterogenous in nature which hard to purify.?

96 / 100

96)

Transcription factor sometimes is called sequence-specific DNA-binding factor.?

97 / 100

97)

What is the biggest conflict of using induced pluri-potent stem cells?

98 / 100

98)

What are the function of transcription factors?

99 / 100

99)

Four transcription factors (Oct4, Sox2, Klf4, and c-Myc) sometimes is called Yamanaka’s factors.?

100 / 100

100)

Growth factor responsible for repair and regeneration: VEGF, Vascular endothelial growth factor?

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