Sten Cells Flashcards
How growth happens ?
In plants and animals
Plants : mainly by cell enlargement (increases in cell size)
Animals: increasing the number of cells
Where does cell division happen ?
Plant and animal cells
Plant: mainly in merisleny-found in tips roots and shoots
Animal: In most tissues
Cell differentition?
Plant and animal
Plant: many cells can differentiate
Animal: most cells lose the ability to differentiate at an early stage
Pro of stem cells
Can help human diseases
E.g. Diabetes, spinal cord injuries, heart disease and cancer
Pro of stem cells
Can be used to regenerate nerves
Pros of stem cells
They use stem cells to make models to help treat diseases
Stem cell pro
Can use your own stem cell by only used in certain areas
Pro of stem cell
They use adult eye stem cells for the cornea
Stem cell cons
The embryo will die if stem cells are used from embryo sources
Stem cell con
There’s a lack of research, it can fail - rejection if you don’t use your own type
Stem cell con
Some religious cultures see it as murder
Stem cell con
Are difficult procedures
Stem cell con
You need a license to donate embryos
Patterns of growth in plants and animals ?
Plants: Often can grow continuously
Animals: Tend to grow to a maximum size
