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Beschreibung
Quiz von PEDRO ÁLVAREZ JIMÉNEZ, aktualisiert more than 1 year ago
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Erstellt von PEDRO ÁLVAREZ JIMÉNEZ
vor mehr als 9 Jahre
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Frage 1
Frage
Tissue stem cells are found in our bodies. They can…
Antworten
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All make every type of cell in our body
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Make only the cells found in their own tissues
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Make embryonic stem cells
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Make only red blood cells
Frage 2
Frage
Embryonic stem cells are ‘pluripotent’. This means they can…
Antworten
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Make only the types of specialized cells found in the early embryo
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Make all the different types of specialized cells found in the body
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Make special ‘factors’ that change all other cells into stem cells
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Copy themselves
Frage 3
Antworten
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That embryonic stem cells are pluripotent
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That sometimes development goes backwards in our bodies
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That specialized cells can be reprogrammed to behave like tissue stem cells
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That specialized cells can be reprogrammed to behave like embryonic stem cells
Frage 4
Frage
Reprogrammed cells are also called iPS cells. What does ‘iPS cells’ stand for?
Antworten
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Induced pluripotent stem cells
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Induced particulate stem cells
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Inductable pluripotent stem cells
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Individual pluripotent stem cells
Frage 5
Frage
A major difference between embryonic stem cells and iPS cells is…
Antworten
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iPS cells can make more types of specialized cells than embryonic stem cells
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iPS cells can only be made from animal cells
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iPS cells can be made from an individual patient’s cells
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iPS cells are found in our adult bodies
Frage 6
Frage
Scientists expect iPS cells to be useful for…
Antworten
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Studying what goes wrong in diseases
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Testing drugs on human cells
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Making cells to be transplanted into patients
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None of the above
Frage 7
Frage
Can iPS cells already be used to make cells for transplantation into patients?
Antworten
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Yes but only for genetic diseases
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No and scientists are sure they will never be used to make cells for transplants
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Not yet. Scientists need to understand reprogramming better to develop therapies
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Yes but only if the patient requests iPS cells
Frage 8
Frage
Why do some people think iPS cells might help answer some ethical questions?
Antworten
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iPS cells can be made without destroying an embryo
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iPS cells are artificial so we don’t have to worry about ethics
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Shinya Yamanaka is a doctor so we can trust him
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iPS cells are easy to make so it’s too late to think about ethics
Frage 9
Frage
iPS cells could in theory be used to make sperm and egg cells. This means…
Antworten
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Scientists have already made a new human being from a piece of skin
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In the future, iPS cells may be useful for helping infertile couples
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iPS cells can breed with each other in a dish
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None of the above
Frage 10
Frage
What do scientists think are some important advantages of iPS cells?
Antworten
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They could be used to make cells for an individual patient that would not be rejected
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They will make it easier to identify drugs that are likely to work in humans
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They are very useful for studying inherited diseases
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All of the above
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