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I have no clue (100% need to revise)
Cells
8 cards
Biology Year 9
Cells
10 cards
Cards (41)
Whats inside the nucleus?
DNA
What is the cytoplasm?
A jelly-like substance in which chemical reactions happen.
What is the Cell membrane?
this surrounds the cell and allows nutrients to enter and waste to leave it.
What is the Mitochondria?
help release energy that the cell can use for other tasks
What are Chloroplasts?
They enable photosynthesis
What's the Cell wall?
It is a part of the cell that provides structure.
What is a Permanent Vacuole?
It's a part of the cell filled with
cell sap
that produces
support
to the cell
Define how Muscle Cells are specialised to carry out their functions
Special
proteins to allow cells to
slide
passed eachother, and have lots of mitochondria for energy, they also store
glycogen
(a store of
energy
)
Define how Root Hair Cells are specialised to do their functions
Increased
surface area,
large
permanent
Vacuole
to speed up
water
movement and lots of
mitochondria
for
active
transport.
Define Tissue
A group of
Specialised
cells working
together
to perform a
specific
task.
Define Organ
A group of
tissues
working
together
to perform a
specific
function
Organ System
A group of
Organs
working
together
to perform specific functions
Cell differentiation
The process where cells become specialised to perform a particular function.
What are the risks and benefits of Therapeutic cloning?
Benefits:
Medical
research,
disease
treatment Risks:
concerns
,
misuse
What do Special proteins in Muscle Cells help the cells to do?
The special proteins in muscle cells allow them to
slide
past each other, enabling muscle
contraction
and
relaxation.
What is Cell differentiation?
The process where
cells
become
specialised
to perform a
particular
function
What's mitosis important for?
Growth
,
Repair
and
Asexual reproduction
What's the function of stem cells in embryos?
Enable an
entire
organism to be
developed.
What's the function of stem cells in adult animal cells?
Enable cells to be
replaced
. And to allow growth and repair to occur
What is the function of embryos in meristems of
plants
?
They enable plans to
grow
and
develop
What are Meristem cells?
Undifferentiated
cells
What are the uses of
meristem
cells?
Produce
clones
of plants
quickly
and economically and produce large numbers of identical plants for farmers.
Identify why mitosis is important
Growth
and
development
of a
multicellular
organism and
asexual
reproduction
See all 41 cards
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