In eukaryotic cells,steroid hormones
A) bind to cytoplasmic receptors,are transported to the nucleus,bind DNA,and regulate gene expression.
B) bind to cell surface receptors and send signals that result in regulation of genes in the nucleus.
C) act as enhancers and bind to an assortment of activators and repressors.
D) methylate DNA to regulate gene expression.
E) cause maternal effect.
Correct Answer:
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Q7: Chromosome-level gene repression involves
A)supercoiling.
B)physical blockage of gene
Q8: Unlike bacterial operons,eukaryotic operons
A)are all positively controlled.
B)are
Q9: Change in the DNA-histone complex that can
Q10: When a promoter element is bound by
Q11: HREs are
A)hormone receptors.
B)DNA sequences in promoter regions
Q13: Hormones can be considered
A)inducers.
B)repressors.
C)transcription regulators.
D)translation regulators.
E)enzymes.
Q14: Which of the following secondary structures may
Q15: A similarity between regulation of the lac
Q16: Removal of the 5' G-cap of mRNA
Q17: RNA silencing involves
A)miRNAs.
B)siRNAs.
C)double-stranded RNA.
D)a protein called Dicer.
E)All
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