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; use each word or phrase only once.
$\begin{array}{lll}\text { antiparallel } & \text { four } & \text { tail } \\\beta \text { barrel } & \text { globular } & \text { ten } \\\text { coiled-coil } & \text { head } & \text { trimeric } \\\text { covalent } & \text { rod } & \text { twenty-five } \\\text { eight } & \text { seven } & \text { two }\end{array}$

Intermediate filaments are elongated fibrous proteins with an N-terminal globular __________ region and a C-terminal globular __________ region; these regions flank the elongated rod domain.The α-helical region of the rod interacts with the α-helical region of another monomer in a __________ configuration to form a dimer.__________ dimers will line up to form a staggered tetramer.__________ strands of tetramers come together and twist together to form the __________ nm filament.The __________ domains are exposed on the surface of the intermediate filament, allowing for interaction with cytoplasmic components.