In Arabidopsis, FLD (a deacetylase enzyme) stimulates flowering. Which of the following statements is TRUE?
A. FLD deacetylates histones that bind to the FLC gene, causing repression of FLC transcription.
B. FLD deacetylates histones that bind to regions of the FLC gene and stimulates its transcription.
C. FLD causes repression of FLC translation.
D. FLD deacetylates histones surrounding the FLD gene, causing suppression of FLD transcription.
Ans: A. FLD deacetylates histones that bind to the FLC gene, causing repression of FLC transcription.
You might also like to view...
A fruit is a mature:
A. ovary. B. ovule. C. stigma. D. stem. E. pollen grain.
If a portion of a transcription factor's domain is the same in a variety of organisms, it is called a motif
Indicate whether the statement is true or false
With the extinction of the dinosaurs 65 million years ago, multiple niches that the dinosaurs once filled opened up and
allowed mammals the opportunity to evolve and exploit those niches. This is an example of ____.
a. sympatric speciation b. adaptive radiation c. phylogeny d. reproductive isolation e. phylogenetic isolation
A certain type of congenital deafness in humans is caused by a rare autosomal recessive gene. In a mating involving a deaf man and a deaf woman, could some of the children have normal hearing? Explain your answer
What will be an ideal response?