Hershey and Chase set out to determine what molecule served as the unit of inheritance. They completed a series of experiments in which E. coli was infected by a bacteriophage virus. Which molecular component of the virus actually ended up inside the cell?

Which of the following describes the structure of DNA?

____________ refers to the chin region.

Life is consistent with which level of organization?

Hydrophilic substances such as acetic acid (vinegar) are ________.

Based on your knowledge of the polarity of water molecules, the solute molecule in the figure below (yellow) is most likely: 

Which of the following is NOT one of the four elements that make up 96% of living matter

Argon has 18 electrons. Argon is non-reactive.

In a famous experiment recrating the early atmosphere of the Earth, Miller and Urey produced:

Which of the following involves an exchange of a plasmid between bacteria through a pilus?