The Cell Lecture 3

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  • Created by: saraht83
  • Created on: 29-04-16 10:45
Prokaryotes divide by...
fission
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Cytokinesis
separates one cell into two
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Eukaryotes divide by...
mitosis or meiosis
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What are chromosomes?
DNA molecules packaged into thread-like structures in the nucleus, only visible when cell is dividing
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What is a centromere?
constriction point, divides chromosome in two 'arms'
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What is the short arm called?
p arm
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What is the long arm called?
q arm
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What are histones?
proteins, compact chromosomal DNA, provide energy
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What is the charge on DNA?
negative
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What is a nucleosome?
basic repeating structural and functional unit of chromatin
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What are the functions of chromatin?
package DNA, strengthen DNA, control gene expression + DNA replication
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Other cards in this set

Card 2

Front

Cytokinesis

Back

separates one cell into two

Card 3

Front

Eukaryotes divide by...

Back

Preview of the front of card 3

Card 4

Front

What are chromosomes?

Back

Preview of the front of card 4

Card 5

Front

What is a centromere?

Back

Preview of the front of card 5
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