Cells Flashcards

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1
Q

What are all living things made off?

A

Cells.

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2
Q

Cells can be either prokaryotic and eukariotic. What are eukaryotic cells?

A

Eukaryotic cells are complex and include all animals and plant cells.

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3
Q

Cells can be either prokaryotic and eukariotic. What are prokaryotic cells? Give an example.

A

Prokaryotic cells are simpler, e.g. bacteria.

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4
Q

What are eukaryotes?

A

Eukaryotes are organisms made up off eukaryotic cells.

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5
Q

What is a prokaryote?

A

An organism that lacks a distinct nucleus and other organelles due to the absence of internal membranes. It is a prokaryotic cell (a single-celled organism).

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6
Q

What is the nucleus?

A

It is where the genetic material is contained, it controls the activities of the cell.

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7
Q

What is a cytoplasm?

A

It is a gel-like substace where most of the chemical reactions happen. It contains enzymes that control these chemical reactions.

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8
Q

What is the cell membrane?

A

It is what holds the cell together and controls what goes in and out.

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9
Q

What is the mitochondria?

A

They are where most of the reactions for aerobic respiration take place. Respiration transfers energy that the cell needs to work.

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10
Q

What are the ribosomes?

A

They are where proteins are made in the cell.

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11
Q

What is the rigid cell wall made off and what does it does?

A

It is made of cellulose. It supports the cell and strengthens it.

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12
Q

What is the permanent vacuole?

A

It is a cell that contains cell sap, a weak solution of sugar and salts.

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13
Q

What are the chloroplasts?

A

The chloroplasts is where the photosynthesis occurs, which make food for the plants. They contain a green substance called chlorophyll, which absorbs the light needed for photosynthesis.

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14
Q

What is the chlorophyll?

A

It absorbs the light needed for photosynthesis.

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