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book The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison cover

The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison

Edition 6ISBN: 978-0077280086
book The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison cover

The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison

Edition 6ISBN: 978-0077280086
Exercise 18
Regarding the activity level of genes,
A) all genes are on all the time in all cells, making the needed amino acid sequences.
B) some genes are always off unless a promoter turns them on.
C) some genes are always on unless a promoter turns them off.
D) some genes are always off while a repressor is bound.
Explanation
Verified
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Control of gene expression means some ge...

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The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison
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