Growth And Differentiation Flashcards
Growth is a Permanent ____________ in Size as a Result of Cell ___________ or Cell Enlargement.
Increase…Division…
Cells of the Body are not the _______, they’re Not the Same as the Original Cell. This is Because, as Cells Divide, Grow and Develop, they Begin to ________________.
Same…Differentiate…
In the Early Development of Animal and Plant Embryos, the Cells are ___________________. Each One of them (Known as a ______ Cell) can Become Any Type of Cell that is Needed.
Unspecialised…Stem…
In Animals, Many Types of Cells Become ______________ Very Early in Life. By the Time a Human Baby is Born, Most Cells are Specialised to Carry Out Particular _______.
Specialised…Jobs…
By the Time a Human Baby is Born, the Cells have ________________. Some of their Genes have been Switched On and Others Have Been Switched ______. As a Result, Different Types of ______________ Cells have Different Sub-Cellular Structures to Carry Out Specific _____________.
Differentiated…Off…Specialised…Functions…
Most Specialised Cells Can ___________ by Mitosis, but they can Only Form The Same Sort of _______.
Divide…Cell…
Some Differentiated Cells, like Red Blood Cells or Skin Cells, Can’t ___________ At All and So Adult Stem Cells Replace Dead or ______________ Cells.
Divide…Damaged…
________ Cells don’t Divide Once they’ve Differentiated and they’re Not Replaced by _______ Cells. As a Result, when Nerve Cells are Damaged they’re Not Usually _____________.
Nerve…Stem…Replaced…
In a Mature Animal, Little or No ___________ Takes Place.
Growth.
Most Plant Cells are Able to _______________ All Through Their Loves.
Differentiated.
Undifferentiated Cells are Formed at _________ Regions of the Stems and Roots, Known as _____________. In These Areas, ___________ Takes Place Almost Continuously. The Cells then Elongate and Grow Before they Finally Differentiate.
Active…Meristems…Mitosis…
Plants Keep Growing All Through Their Lives at these ‘Growing Points’. The Plant Cells Produced don’t ________________ Until they’re in their Final Position in Plant, even then the Differentiation isn’t ________________.
Differentiate…Permanent…
You can Move a Plant Cells from One Part of a ________ to Another. There it can Re-Differentiate and Become a Completely Different ______ of Cell. You can’t dk that with __________ Cells.
Plant…Part…Animal…
Producing Identical Offspring is Known as ____________.
Cloning.
Huge Numbers of Identical Plant Clones can be ____________ from a Tiny Piece of _______ Tissue, Because in the Right Conditions a Plant Will Become _______________ and Undergo Mitosis Many Times.
Produce…Leaf…Unspecialised…
