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The [end] ends of microfilaments are attached to the [skeletal] in skeletal muscle cells and to [smooth] in smooth muscle cells.

Describe how the term “critical concentration” is related to microtubule assembly. What is it a concentration of? What happens above or below that concentration?

The minus ends of cytoplasmic microtubules are anchored to the [attachment1] through direct association with [anchor] proteins.

Anterograde axon transport relies on the activity of [motor] motor proteins.

Filamentous proteins with extensive alpha helices often form dimers with their alpha helices wrapped around each other called a [coil] domain.

Questions 1-11 will each draw from the following word bank. Each of these questions has a single correct answer that is one of the following terms. Not every term will be used and no term will be used more than once. The terms list will appear at the top of each question with the terms in the exact same order every time. Match the following diagram to the most relevant term from the terms list above and type that term as your answer. Consider the entire diagram and ignore any lines indicating a smaller part of the picture.

The structure labelled “6” in the above graphic is called the _________________.

The thalamus is located which direction from the superior colliculi?

Brodmann area 17 is associated with which function?

Singlet microtubules are constructed of [singlet] protofilaments and double microtubules have a total of [doublet] protofilaments.