Question

Which of the following distinguishes living organisms from viruses?

		Only living organisms reproduce.
		They take energy from their environment and convert it to a useful form.
		Only living organisms have only L-amino acids.
		Only living organisms evolve.

2.

Which of the following will disrupt all secondary structure in a protein?

		Boiling
		A reducing agent like beta-mercaptoethanol (BME)
		A mutation that alters a single amino acid in the protein
		None of the above

Answer 1

1) Living organisms take energy from their environment and convert it to a useful form.

2) Beta mercaptoethanol (BME) disrupt all secondary structure in a protein.