Stem Cells (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards
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Stem cells definition
Stem cells definition
Undifferentiated cells that can divide & differentiate
How embryonic stem cells form
How embryonic stem cells form
When egg and sperm fuse to create a zygote
Pluripotent meaning
Pluripotent meaning
Can differentiate into any cell type in the body
Embryonic stem cells use for diabetes
Embryonic stem cells use for diabetes
Replace insulin-producing cells
Embryonic stem cells use for Alzheimer's
Embryonic stem cells use for Alzheimer's
Replace damaged neurons
Where adult stem cells are found
Where adult stem cells are found
Bone marrow and other tissues throughout the body
Multipotent meaning
Multipotent meaning
Can form a limited range of cells
Medical use of adult stem cells
Medical use of adult stem cells
Bone marrow transplants for leukaemia & blood disorders
Location of meristematic stem cells
Location of meristematic stem cells
Meristems at tips of roots and shoots
Ability of meristematic stem cells
Ability of meristematic stem cells
Differentiate into any plant cell throughout plant's life
Use of meristematic stem cells
Use of meristematic stem cells
Plant cloning to produce identical plants
Therapeutic cloning definition
Therapeutic cloning definition
Creating embryo with same genetic material as patient
Blastocyst stage in therapeutic cloning
Blastocyst stage in therapeutic cloning
Stage where embryonic stem cells can be harvested
Benefit of therapeutic cloning for transplants
Benefit of therapeutic cloning for transplants
Minimizes risk of rejection
Ethical challenge of embryonic stem cell research
Ethical challenge of embryonic stem cell research
Involves destruction of the embryo