The calcium that triggers muscle contraction is stored in the

A) motor neuron.
B) plasma membrane of cells.
C) endoplasmic reticulum.
D) mitochondria.


Answer: C

Biology & Microbiology

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Features that contributed to success on land include a __________ that protects spores. Fill in the blank(s) with the appropriate word(s)

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Dimpled cheeks are dominant to undimpled cheeks. If there exists a 50 percent chance that a child will have dimpled cheeks, the parental genotypes must be:

A) Dd and dd. B) dd and dd. C) DD and dd. D) Dd and Dd. E) DD and Dd.

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Reoviruses contain ________ genomes, and their replication occurs within the host's ________

A) ssDNA / nucleus B) dsDNA / nucleus C) ssRNA / cytoplasm D) dsRNA / cytoplasm

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