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Chapter 18 vocabulary

Across
This makes chromatin more condensed and discourages transcription
The process of organizing cells into tissues
Segments of non-coding DNA that serve as binding sites for transcription factors.
Prevents transcription by binding to operator
End product shuts down further synthesis
Maternal substances in the egg that influence early development
This molecule inactivated the repressor to turn the lac operon on
The trp operon is switched off when tryptophan levels are high
On-off switch in the operon
An example of an inducible operon
Down
Genes that inhibit cell division
Mutated genes that code for normal cell growth and division
An example of a repressible operon
Homeotic genes control this part of development
This is the type of inheritance that results from regulation of transcription by chromatin modification
The process by which cells become specialized in their function
This makes chromatin more loose and able to be transcribed
Groups of genes coding for related proteins