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Aneuploidy, defined as an abnormal number of chromosomes, is the most common chromosomal abnormality. Which of the following events will result in Down syndrome, an example of a disorder caused by the inheritance of an extra chromosome 21? Group of answer choices the nondisjunction of this set of homologues during meiosis II the failure of two sets of homologous chromosomes to line up properly during metaphase I the incorrect separation of this pair of sister chromatids during meiosis II a crossing over of genetic information between homologous chromosomes during prophase I.
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How does a lytic infection differ from a lysogenic infection?
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1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?
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What is usually (but not always) related to the metabolic processes of living organisms in its organic form?
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What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.
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Aneuploidy, defined as an abnormal number of chromosomes, is the most common chromosomal abnormality...
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