Which common crop may contain traces of hormone-like substances that may affect human health?
A. corn
B. peanuts
C. soybean
D. wine grapes
E. wheat
Answer: C
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Repeated sequences within eukaryotic genomes may be represented as long repeated sequences next to each other, and are called ___________ repeats
Repeated sequences in eukaryotic genomes can also be located throughout the genome, and are called _______________ repeats. A. tandem; dispersed B. dispersed; tandem C. overlapping; adjacent D. adjacent; overlapping E. None of the answer options is correct.
32P-end-labeled DNA fragment contains the AP-1–binding site sequence
The DNA was mixed with Fos, FosC (a fragment of Fos), or Jun (all of which would form a homodimer), or with a mixture of Fos and Jun or a mixture of FosC and Jun (both of which would form the two types of homodimer and the heterodimer). Reactions were analyzed by polyacrylamide gel electrophoresis, thenautoradiography. The results are shown in Figure 1. This technique is called: A. DNA footprinting. B. electrophoretic mobility shift assay. C. reporter gene assay. D. immunoprecipitation.
Make a sketch showing how nondisjunction in meiosis can result in Down syndrome. What will be an ideal response?
According to the body mass index (BMI) chart, a healthy BMI is
A. between 18.5 and 24.9. B. between 25 and 29.9. C. 50 or higher. D. 30 or higher. E. 40 or higher.