When a myosin head binds to an actin molecule in order to contract a muscle, this is formed: ________

A) myosin filament B) cross-bridge C) actin filament D) troponin


Answer: B

Biology & Microbiology

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Bathygraphic features are features associated with land

Indicate whether the statement is true or false

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Substances NOT usually found in normal human urine are 

A. certain drugs. B. urea and uric acid. C. water molecules. D. glucose molecules. E. K+, H+, and other ions.

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________ is a hormone produced by the kidneys that increases the rate of red blood cell production

Fill in the blank(s) with correct word

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Negative staining facilitates the visualization of bacterial capsules that are intensely stained by the procedure.

Answer the following statement true (T) or false (F)

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