Biology, 12.02.2021 21:00 zylovesnesha
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Of the many functions of the skeletal system, which is directly helpful to the circulatory system?
A. stores calcium and phosphorus
B. provides an attacment point for muscles
C. produces blood cells
D. provides shape and support for the body
E. protects internal organs
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During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.
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Of the many functions of the skeletal system, which is directly helpful to the...
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