Molecular biologists can determine experimentally whether a region of dna contains closed chromatin or open chromatin by assessing the sensitivity of the region to molecular biologists can determine experimentally whether a region of dna contains closed chromatin or open chromatin by assessing the sensitivity of the region to nucleosomes. b. rna polymerase ii. c. methyltransferase. dnase. d. histone deacetylase.

Which of the following is an advantage of using embryonic stem cells in medical research? a. the use of embryonic stem cells is much less expensive than the use of adult stem cells. o b. no living tissue is damaged when scientists use embryonic stem cells. o c. embryonic stem cells are able to differentiate into a wider range of cells than adult stem cells. d. there is no controversy surrounding the use of embryonic stem cells.