According to Data Gathered in the National Health and Nutrition

question 13

Multiple Choice

According to data gathered in the National Health and Nutrition Examination Survey, in 1976-1980 about ___ percent of U. S. teenagers were obese; in 2007-2010 this percentage was ___ percent.

• A) 5; 10
• B) 10; 5
• C) 25; 55
• D) 5; 18

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Definitions:

Mitotic Spindle

A structure composed of microtubules that segregates chromosomes into daughter cells during mitosis.

Microtubules

Cylindrical structures that are part of the cytoskeleton in all eukaryotic cells, involved in cellular movement, shape, and division.

Nuclear Envelope

A double-membrane structure that encases the nucleus of eukaryotic cells, providing a barrier that separates the nuclear contents from the cytoplasm.

Early Prophase

The initial stage of cell division, specifically in mitosis, where chromosomes start to condense and become visible, the nuclear envelope begins to dissociate, and the mitotic spindle starts to form.