Cells

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What is a cell?
A cell is the basic building block of life, from which all living organisms are made.
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What is the difference between unicellular organisms and multicellular organisms?
Unicellular organisms consist of one single cell whereas multicellular organisms consist of many cells
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Why are cells so small?
Cells are so small because they must mantain a surface to volume ratio that allows efficient diffusion of materials throughout the cell.
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What are the two types of microscopes?
Optical microscopes and electron microscopes.
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How do prokaryotic cells enclose their genetic material?
Prokaryotic cells enclose their genetic material within one single loop of DNA
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How do eukaryotic cells enclose their genetic material?
Eukaryotic cells enclose their genetic material within the nucleus.
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What is the main function of the nucleus?
To control the cell
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What is the main function of the ribosome?
To build protein
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What is the largest cell in the human body?
The female egg cell
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What is the smallest cell in the human body?
The male sperm cell
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If cell A is 100 times larger than cell B, how many orders of magnitude bigger is cell B?
2 orders of magnitude
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What are chromosomes made from?
DNA
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Which part of the cell membrane recognises specific substances?
The receptor molecules
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Other cards in this set

Card 2

Front

What is the difference between unicellular organisms and multicellular organisms?

Back

Unicellular organisms consist of one single cell whereas multicellular organisms consist of many cells

Card 3

Front

Why are cells so small?

Back

Preview of the front of card 3

Card 4

Front

What are the two types of microscopes?

Back

Preview of the front of card 4

Card 5

Front

How do prokaryotic cells enclose their genetic material?

Back

Preview of the front of card 5
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