Which of the following correctly describe actin and myosin?

A) They are the thick filaments
B) They are both thin filaments
C) Actin is a thick filament and myosin is a thin filament
D) Actin is a thin filament and myosin is a thick filament


D

Environmental & Atmospheric Sciences

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Which of the following gives the name for a faint ring of light that surrounds the shadow of an observer's head on a dew-covered lawn?

A. tangent arc B. Heiligenshein C. corona D. glory

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In the U.S. Public Lands Survey System, one section covers ____

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______________ is the study of how human populations change over time and space.

-Demography -none of these is correct -Geology -Cartography -Geography

Environmental & Atmospheric Sciences