For Each of the Following Sentences, Fill in the Blanks

Essay

For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below.Not all words or phrases will be used; each word or phrase should be used only once.
$\begin{array}{lll}\text { 30-nm fiber } & \text { heterochromatin } & \text { linker } \\\text { active chromatin } & \text { histone } \mathrm{H} 1 & \text { loops } \\\text { axis } & \text { histone } \mathrm{H} 3 & \text { more } \\\text { beads-on-a-string } & \text { histone } \mathrm{H} 4 & \text { synaptic complex } \\\text { euchromatin } & \text { less } & \text { zigzag }\end{array}$

Interphase chromosomes contain both darkly staining __________ and more lightly staining __________.Genes that are being transcribed are thought to be packaged in a __________ condensed type of euchromatin.Nucleosome core particles are separated from each other by stretches of __________ DNA.A string of nucleosomes coils up with the help of __________ to form the more compact structure of the __________.A __________ model describes the structure of the 30-nm fiber.The 30-nm chromatin fiber is further compacted by the formation of __________ that emanate from a central __________.