Final exam: 12/4 Flashcards

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1
Q

the bacterial __ __ controls the creation of several enzymes through one promoter controlling several genes

A

lac operon

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2
Q

the bacterial lac operon controls the creation of several __ through one __ controlling several genes

A

enzymes, promoter

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3
Q

the lac operon is activated by __

A

lactose

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4
Q

the repressor protein in the operator binds to ___, but lactose binds to the ___ causing it to change shape

A

nucleotides, protein

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5
Q

the altered shape of the protein makes the repressor protein ___ and __ __ can then begin transcription

A

inactive, RNA polymerase

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6
Q

the lac operon has 3 genes that produce 3 different __

A

enzymes

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7
Q

is the lac operon type of gene regulation seen in eukaryotic cells?

A

no

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8
Q

___ genes control the activation and volume of other genes

A

transcription

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9
Q

__ remodeling can loosen or tighten DNA binding

A

chromatin

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10
Q

__ and ___ are two aspects of chromatin remodeling

A

acetylation, methylation

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11
Q

polypeptide modification can control gene ___

A

activity

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12
Q

polypeptide mutations that occur in regulatory regions can affect all cells (___) or only some (___)

A

germinal, somatic

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13
Q

mutations can cause polypeptides to stop to early (__) or cause a shift in the reading frame (___).

A

nonsense, frameshift

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14
Q

“___ ___” randomly insert blocks of DNA in polypeptide production region

A

jumping genes

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