Lon-Capa Assignment #9 fully solved 2023

Lon-Capa Assignment #9 fully solved 2023 How many types of RNAP are found in eukaryotes? - correct answer 3 As discussed in lecture, it is possible to determine protein structure from X-ray crystallography without any knowledge of that protein's sequence. - correct answer False The Barr Body is the actively transcribed X chromosome in females. - correct answer False; Bar body means inactivation of one the two X-chromosome As discussed in lecture, all Calico cats are male because the gene that specifies the calico color pattern is on the Y chromosome. - correct answer False Based on our discussion in lecture, how many active X-chromosomes would there be in each cell of a female that had four copies of the X-chromosome per cell? - correct answer 1 As discussed in lecture, X-chromosome inactivation is a common cause of colorblindness in human males. - correct answer False; if it was lack in teeth, hair or sweat glands it would be true. As discussed in lecture, enhancers are typically comprised of densely packed consensus elements. - correct answer True As discussed in lecture, the de novo formation of heterochromatin involves a "spreading" mechanism. - correct answer True As discussed in lecture, for both position effect variegation and x-chromosome inactivation, once the inactive state of heterochromatin is formed, it is heritable through mitosis. - correct answer True