B1.3 Eukaryotic and Prokaryotic Cells Flashcards

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1
Q

What are examples of eukaryotic cells?

A

Plant and animal cells

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2
Q

What are examples of prokaryotic cells?

A

Bacteria

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3
Q

What are plasmids?

A

Small rings of DNA

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4
Q

What is a flagellum?

A

Long protein strand that lashes about

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5
Q

How big is a nanometer?

A

1 x 10^-9

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6
Q

How big is a micrometer?

A

1 x 10^-6

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7
Q

What are the differences between prokaryotic and eukaryotic cells?

A

Most eukaryotic cells are bigger than prokaryotic cells

Prokaryotic cells do not contain chloroplasts

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8
Q

Explain why single-celled organisms, like algae, do not need complex structures for
gas exchange?

A

Cell has a large surface area to volume ratio
This means it has a short diffusion distance via the cell membrane and is sufficient enough for gas exchange
Maintains a concentration gradient

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