When a person is experiencing heartburn, he or she feels a burning sensation in the throat and midchest. Think about the structures of the digestive system. What most likely causes the burning sensation?

What is a difference between ATP and ADP molecules? ADP can be used to directly power movement, while ATP cannot. ATP molecules provide less energy to the cell than ADP molecules. ATP has three phosphate groups, while ADP has two phosphate groups.

What best describes how genes produce traits in an organism

What is a cells DNA like the books in a library

The data show that both paper grocery bags and plastic grocery bags cause harm to the environment.

The genetic engineering of crops is a controversial and debated issue in the media and press. Which of the following would be an argument in favor of the genetic engineering of corn?

The elevation of the metabolic rate that occurs after ingestion of a meal is

The concept of endosymbiosis (chloroplast & mitochondria) is widely accepted. What kind of relationship is it?

Which planets have moons? A) Earth only B) Jovian only C) Terrestrial only D) Both Terrestrial and Jovian

Given that transcription - the production of mRNA - requires a DNA template, where do you think this process occurs in the cell?

Introduced species can threaten biodiversity because they a. cause desertification b. cause biological magnification c. crowd out native species d. reduce the amount of fertile land