Why is the tunica intima, the innermost layer of arteries and veins, made of epithelial cells?

Which statement best describes a typical difference that could be found between the "analysis" and "conclusion" sections of a lab report? a) only the "conclusion" describes errors that occurred during the experiment, and only the "analysis" section suggests further research.b) only the "analysis" section includes specific data comparisons, and only the "conclusion" section suggests further research.c) only the "analysis" section discusses whether the original hypothesis was supported, and both sections include graphs of data.d) only the "conclusion section discusses whether the original hypothesis was supported, and both sections suggest further research.(the answer is b i just took the test)

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome