B1 Flashcards
Eukaryotic
Cells such as plant and animal cells that contain their genetic material in a nucleus
Prokaryotic
Cells such as bacterial cells that do not contain their genetic material in a nucleus
Cell membrane
allows substances into and out of cells
cytoplasm
where the chemical reaction takes place
cell differentiation
when a cell becomes specialised to carry out a specific function
Mitosis
a type pf asexual cell division where an identical copy of a cell is made
stem cells
an undifferentiated cell that differentiate into a specialist cell
meristem
a region in plant shoots or roots in which cells are undergoing mitosis. They can differentiate to produce any kind of plant cell during the life of the pant
Therapeutic cloning
when an embryo is produced with the same genes as the patient
ex change surface
generally highly folded structure found within the small intestine that maximises the surface area for gas exchange
active transport
movement of substances from a low con to a high con through a semi- permeable membrane
osmosis
movement of water from a dilute solution to a concentrated solution through a partially permeable membrane
How does cell differentiation differ in plant and animal cells?
Most animal cells differentiate at an early stage but most plant cells can differentiate throughout their whole life
What is a specialised cell?
One that has differentiated to have specific features which enables it to carry out a specific function (job)
