Why won't a sample of DNA from saliva work in gel electrophoresis

A pharmaceutical company is promoting a new estrogen skin patch for birth control. They say it is better because a woman only wears the patch for one week and then wears no patch for three weeks. Explain the logic behind this proposal.

What is mega biodiversity?

Which of the following locations would have the least humidity? A hot, dry dessert B cold, dry iceberg C warm, rainy forest D cold, snowy mountain

Why does the West Coast of the United States experience volcanic activity and earthquakes while the East Coast does not

Mendel claimed that transmission from parent to offspring of alleles of a given gene is independent for each gene and its alleles. What does this mean?

Which of the following are social implications of an environmental policy? Check all that apply. A•loss of jobs B•poorer air quality C•less erosion D•cleaner water waste E•higher taxes F•elimination of tourist activities

The polarity of an oxygen-hydrogen bond is higher than the polarity of a nitrogen-hydrogen bond, allowing amines to be more soluble than alcohols True or false

What information can be inferred if the estimated heritability of a trait is approximately 0.50?

Which statement best explains why invertebrates often have outer skeletons but vertebrates do not?

Which statement BEST hypothesizes the evolutionary history of the area shown? A) The area was once an ocean and was replaced by taiga and coniferous forest. B) The area was once covered by an ocean and was replaced by temperate deciduous forest.