A) no transcription of the lactose metabolizing genes, even when lactose is absent.
B) no transcription of the lactose metabolizing genes, even when lactose is present.
C) no binding of the repressor protein to the operator, even when lactose is absent.
D) binding of the repressor protein to the regulatory gene in both the presence and absence of lactose.
E) no transcription of the regulatory gene, even in the presence of lactose.
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A) DNA to protein to RNA
B) RNA to DNA to protein
C) DNA to RNA to protein
D) protein to DNA to RNA
E) protein to RNA to DNA
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A) one of the subunits of rRNA will not be transcribed from DNA.
B) amino acids will not be joined to their tRNA.
C) mRNA cannot bind to rRNA.
D) mRNA will not be formed.
E) mRNA cannot copy itself.
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A) is helical.
B) has a repeating pattern.
C) is both helical and has a repeating pattern.
D) is pleated and has a repeating pattern.
E) is neither pleated or helical but has a repeating pattern.
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A) intron.
B) exon.
C) gene.
D) repressor.
E) promoter.
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A) hydrophobic interactions
B) intrastrand folding
C) ionic bonds
D) phosphodiester bonds
E) hydrogen bonds
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A) heterochromatin
B) intron
C) exon
D) euchromatin
E) nucleosome
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