Three major groups of filament systems comprising the cytoskeleton are all composed of polymers of assembled subunits, which vary in thickness when assembled.  Which is the correct order, from smallest to largest, of the filament systems?

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#Question id: 28485

#Unit 5. Developmental Biology

The cells that make up the limb bud are derived from various cells, except?

a) Trophoblast cells

b) lateral plate mesoderm

c) Blastema cells

d) Somites cell

e) bud’s overlying ectoderm

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#Question id: 2639

#Unit 2. Cellular Organization

A Lac repressor is a tetramer repressed when bound to the inducer. The trp repressor is a ____________________

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#Question id: 2297

#Unit 2. Cellular Organization

Which structure is composed of phospholipids and regulates the movement of substances in and out of cells?

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#Question id: 18711

#Unit 13. Methods in Biology

SYBR green qPCR based on 

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#Question id: 10273

#Unit 6. System Physiology – Plant

The existence of different pathways that serve a similar function and can replace each other without a clear loss in function is called,