Stem Cells Lecture 4: Characteristics and Potency

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Questions and Answers

What is the main purpose of a bone marrow transplant in the UK according to the text?

  • To induce teratoma formation
  • To replace or reset the auto-reactive immune system (correct)
  • To recover other tissues after extreme chemotherapy
  • To treat various types of cancer

Which type of cells are human embryonic stem cells derived from?

  • The inner cell mass (ICM) of a blastocyst (correct)
  • Totipotent cells
  • Adult stem cells
  • Mesenchymal stem cells

What is one application of embryonic stem cells mentioned in the text?

  • Transplantation in animals
  • Inducing teratoma formation
  • Ethical objections
  • Drug discovery (correct)

What is the main concern highlighted in the clinical use of human embryonic stem cells?

<p>Potential for teratoma formation (C)</p> Signup and view all the answers

What is the significance of an inducible excision system in genetic research as per the text?

<p>Removing unneeded components from a vector (D)</p> Signup and view all the answers

What is a teratoma according to the text?

<p>A type of benign tumor with cells from multiple germ layers (D)</p> Signup and view all the answers

What is the main characteristic of stem cells that sets them apart from other cells?

<p>Ability to self-renew (D)</p> Signup and view all the answers

Which type of stem cell is capable of generating all tissues of the embryo and extra-embryonic tissues?

<p>Totipotent stem cells (B)</p> Signup and view all the answers

In which condition would autologous stem cell use be appropriate?

<p>Leukaemia treatment (C)</p> Signup and view all the answers

What is the role of Haematopoietic Stem Cells in the body?

<p>They maintain and renew organs throughout life (C)</p> Signup and view all the answers

Which type of stem cell can differentiate into multiple cell lineages but not all germ layers?

<p>Multipotent stem cells (C)</p> Signup and view all the answers

What is the main purpose of using Bone Marrow Transplants with Haematopoietic Stem Cells?

<p>To replace a patient's blood system (D)</p> Signup and view all the answers

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