Podcast
Questions and Answers
Which stage of development is the embryo most susceptible to toxic agents?
Which stage of development is the embryo most susceptible to toxic agents?
What is the period of rapid growth in foetal development?
What is the period of rapid growth in foetal development?
Which hormone is involved in protein accumulation during foetal development?
Which hormone is involved in protein accumulation during foetal development?
What is the term for the stage of development where three germ layers are formed?
What is the term for the stage of development where three germ layers are formed?
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Which of the following is a derivative of the ectoderm germ layer?
Which of the following is a derivative of the ectoderm germ layer?
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What is the period of development when the embryo is most susceptible to Thalidomide?
What is the period of development when the embryo is most susceptible to Thalidomide?
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Which germ layer gives rise to the urogenital organs (except urinary bladder)?
Which germ layer gives rise to the urogenital organs (except urinary bladder)?
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What is the stage of development when the foetus accumulates fat?
What is the stage of development when the foetus accumulates fat?
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Which hormone is involved in the regulation of growth and development?
Which hormone is involved in the regulation of growth and development?
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What is the term for the stage of development when the embryo implants in the uterus?
What is the term for the stage of development when the embryo implants in the uterus?
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What is the primary mechanism by which cells 'count' their divisions to prevent uncontrolled replication?
What is the primary mechanism by which cells 'count' their divisions to prevent uncontrolled replication?
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What is the function of telomerase in stem cells?
What is the function of telomerase in stem cells?
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What is the consequence of telomere loss in cells with intact p53?
What is the consequence of telomere loss in cells with intact p53?
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What is the primary difference between stem cells and most other cells in terms of telomere expression?
What is the primary difference between stem cells and most other cells in terms of telomere expression?
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What is the role of p53 in response to DNA damage?
What is the role of p53 in response to DNA damage?
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What is the function of the repetitive DNA sequences at the end of chromosomes in human cells?
What is the function of the repetitive DNA sequences at the end of chromosomes in human cells?
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What is the consequence of telomere loss in cells with dysfunctional p53?
What is the consequence of telomere loss in cells with dysfunctional p53?
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What is the relationship between telomere length and cell division?
What is the relationship between telomere length and cell division?
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What is the characteristic of iPS cells that allows them to proliferate?
What is the characteristic of iPS cells that allows them to proliferate?
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What is the mechanism by which mitochondrial mutations occur at a higher rate than gene mutations?
What is the mechanism by which mitochondrial mutations occur at a higher rate than gene mutations?
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What is the primary role of IGF-1 in relation to Growth Hormone (GH)?
What is the primary role of IGF-1 in relation to Growth Hormone (GH)?
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Which cell type cannot renew by any mechanism?
Which cell type cannot renew by any mechanism?
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What is the consequence of GH stimulating lipolysis?
What is the consequence of GH stimulating lipolysis?
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Which type of stem cell has the ability to differentiate into multiple cell types, but not all types?
Which type of stem cell has the ability to differentiate into multiple cell types, but not all types?
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Which of the following is an effect of increased GnRH activity in males?
Which of the following is an effect of increased GnRH activity in males?
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Which of the following is NOT a hallmark of ageing?
Which of the following is NOT a hallmark of ageing?
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Which cells rely on stem cells for renewal?
Which cells rely on stem cells for renewal?
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Which type of stem cell is located at the margin of the cornea?
Which type of stem cell is located at the margin of the cornea?
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What describes the condition when cells are metabolically active but unable to divide?
What describes the condition when cells are metabolically active but unable to divide?
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What factor does NOT contribute to the hallmark of ageing known as genomic instability?
What factor does NOT contribute to the hallmark of ageing known as genomic instability?
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What is the term for the period of development when the embryo is most susceptible to teratogen?
What is the term for the period of development when the embryo is most susceptible to teratogen?
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Which germ layer gives rise to the nervous system?
Which germ layer gives rise to the nervous system?
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What is the primary function of GH in relation to growth and development?
What is the primary function of GH in relation to growth and development?
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During which stage of development do the three germ layers form?
During which stage of development do the three germ layers form?
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What is the term for the stage of development when the embryo implants in the uterus?
What is the term for the stage of development when the embryo implants in the uterus?
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What is the effect of Growth Hormone (GH) on glucose levels in the liver?
What is the effect of Growth Hormone (GH) on glucose levels in the liver?
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Which hormone is involved in the regulation of fat accumulation during fetal development?
Which hormone is involved in the regulation of fat accumulation during fetal development?
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What is the result of increased Gonadotropin-releasing Hormone (GnRH) activity in females?
What is the result of increased Gonadotropin-releasing Hormone (GnRH) activity in females?
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What is the term for the stage of development when the embryo undergoes rapid growth?
What is the term for the stage of development when the embryo undergoes rapid growth?
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Which of the following is a derivative of the mesoderm germ layer?
Which of the following is a derivative of the mesoderm germ layer?
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Which type of stem cell can differentiate into multiple cell types, but not all?
Which type of stem cell can differentiate into multiple cell types, but not all?
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What is the term for the stage of development when the embryo undergoes protein accumulation?
What is the term for the stage of development when the embryo undergoes protein accumulation?
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What is the characteristic of cells in senescence?
What is the characteristic of cells in senescence?
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What is the hallmark of ageing characterized by the accumulation of mutations and epigenetic factors in the genome?
What is the hallmark of ageing characterized by the accumulation of mutations and epigenetic factors in the genome?
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Which of the following is a teratogen?
Which of the following is a teratogen?
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What is the primary role of Insulin-like Growth Factor-1 (IGF-1) in relation to Growth Hormone (GH)?
What is the primary role of Insulin-like Growth Factor-1 (IGF-1) in relation to Growth Hormone (GH)?
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Which cell type relies on stem cells for renewal?
Which cell type relies on stem cells for renewal?
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What is the characteristic of cells in quiescence?
What is the characteristic of cells in quiescence?
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What is the effect of Growth Hormone (GH) on lipolysis?
What is the effect of Growth Hormone (GH) on lipolysis?
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What is the type of stem cell located at the margin of the cornea?
What is the type of stem cell located at the margin of the cornea?
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What process is most directly affected by telomere shortening in human cells?
What process is most directly affected by telomere shortening in human cells?
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What mechanism allows stem cells to avoid the consequences of telomere shortening?
What mechanism allows stem cells to avoid the consequences of telomere shortening?
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Which enzyme is essential for the replication of telomeres?
Which enzyme is essential for the replication of telomeres?
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What is the significance of the loop formed by telomeres at the ends of chromosomes?
What is the significance of the loop formed by telomeres at the ends of chromosomes?
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Which factor leads to an increased incidence of mitochondrial mutations?
Which factor leads to an increased incidence of mitochondrial mutations?
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What happens when telomeres become critically short in most human cells?
What happens when telomeres become critically short in most human cells?
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Which of the following most correctly describes the role of p53 in a cell with short telomeres?
Which of the following most correctly describes the role of p53 in a cell with short telomeres?
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Which cell type is most likely to regain telomerase activity due to gene reprogramming?
Which cell type is most likely to regain telomerase activity due to gene reprogramming?
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What is the primary role of telomerase in cells?
What is the primary role of telomerase in cells?
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Which statement best explains why cancer cells can divide indefinitely?
Which statement best explains why cancer cells can divide indefinitely?
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