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WorksheetsCells TKE
Total questions: 10
Worksheet time: 8mins
Which of these describes a biological cell?
one molecule of an organism
smallest building block of an organism
a room to keep prisoners in
anything with a nucleus
Cells that are adapted to perform specific jobs are called (a) cells
Sperm cell adaptations:
Acrosome cap full of enzymes
Lots of mitochondria for extra energy
Large nucleus to guide them towards the egg
Flagella to help them swim
Diffusion is...
the spreading out of molecules
water movement
a type of cell movement
very confusing
Osmosis is the movement of ____ from an area of high ____ concentration to an area of low ____ concentration
(a)
Osmosis only works when there is a ___ ___ membrane
(a)
this is a
(a)
The main adaptations of a palisade cell are
high surface area
lots of chloroplasts
small nucleus
large vacuole
Nerve cells carry ___ around the body
electrical signals
hormonal signals
blood
oxygen
Red blood cell adaptation:
no nucleus
contain lots of haemoglobin
bi-concave shape
doughnut shape
lots of mitochondria
