16 Gene Expression in Bacteria

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6 Terms

1
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Why does gene regulation occur in bacteria?

Based on environmental changes, they will turn genes on or off; they don’t have a purposes or need for cell differentiation

2
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Why does gene regulation occur in eukaryotes?

For cell differentiation and environmental changes

3
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DNA sequence that encodes a protein used in metabolism, biosynthesis, or has a structural role in the cell

  • DOES NOT regulate gene expression

Structural genes

4
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DNA sequence that encode a protein or RNA that interact with other DNA sequences and directly affects their gene expression by affecting its transcription and translation

Regulatory Genes

5
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A gene that is expressed continually without regulation

ex: structural genes

Constitutive Genes

6
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DNA sequences that are not transcribed but still affect the transcription of other DNA sequences; physically linked

Regulatory Elements