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?

The typical, edible, gilled mushroom available in food stores has spores produced by meiosis. The spores are produced on the:

Which of the following is an aggregate of abiotically produced molecules that may have preceded living cells on Earth?

Which of the following taxa is composed of cells that lack a cell wall?

Assuming that life evolved right here on Earth, the earliest cells that arose were most likely:

The first professional sport in the United States was harness racing.

Fred Corcoran convinced cities to host golf tournaments by telling them the benefits of