GCSE Biology 7 - Cell Biology Review

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Which of these structures are present in a eukaryotic cell but NOT in a prokaryotic cell?

1 point

Bacteria

DNA

Proteins

Virus

Vacuole

Nucleus

Ribosomes

Rough ER

Mitochondria

Plasma membrane

Chloroplast

Cell wall

Stomata

What adaptations does this cell have?

1 point

Haploid nucleus

Many mitochondria

Flagella

Cilia

Villi

No nucleus

Long plasma membrane

Many nuclei

What is the purpose of the cell's adaptation (above)?

0 points

Increased absorption of water and nutrients

Increased ability to synthesize new proteins (more DNA, more RNA)

Increased ability to communicate over long distances

Concave surface area to fit through vessels

Low energy consumption

Ability to produce its own food from only air

Clear selection

What adaptations does this cell have?

1 point

Haploid nucleus

Many mitochondria

Flagella

Cilia

Villi

No nucleus

Long plasma membrane

Many nuclei

What is the purpose of the cell's adaptation (above)?

0 points

Increased absorption of water and nutrients

Increased ability to synthesize new proteins (more DNA, more RNA)

Increased ability to communicate over long distances

Concave surface area to fit through vessels

Low energy consumption

Ability to produce its own food from only air

Clear selection

What adaptations does this cell have?

1 point

Haploid nucleus

Many mitochondria

Flagella

Cilia

Villi

No nucleus

Long plasma membrane

Many nuclei

What is the purpose of the cell's adaptation (above)?

0 points

Increased absorption of water and nutrients

Increased ability to synthesize new proteins (more DNA, more RNA)

Increased ability to communicate over long distances

Concave surface area to fit through vessels

Low energy consumption

Ability to produce its own food from only air

Clear selection

What is so special about induced pluripotent stem cells? Hint: These are cells that we take from an adult which are already final form, i.e. cheek skin cells, and which we can 'turn back' into embryo-like cells (which have not yet differentiated). Why are they useful for medicine?

0 points

This scary looking creature is a lamprey. What adaptations do you think it has to survive? Hint: they can usually be found stuck to the side of fish. Describe how you think they travel around, and how they get their nutrients.

0 points

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