[Solved] Most molecular biologists think that viruses originated from naked bits of cellular nucleic acid. Which of the following observations supports this theory? A) Viruses contain either DNA or RNA. B) Viruses are enclosed in protein capsids rather than plasma membranes. C) Viruses can reproduce only inside host cells. D) Viruses can infect both prokaryotic and eukaryotic cells. E) Viral genomes are usually similar to the genome of the host cell. Simple Rate Of Return: A financial metric that calculates the return on an investment without considering the time value of money, focusing on annual income and initial investment cost. Straight-Line Depreciation: A method of allocating the cost of a tangible asset over its useful life in equal annual amounts, making for a simple depreciation calculation. Proposed Investment: A prospective asset or capital outlay under consideration for its potential to generate income or appreciate in value. Simple Rate Of Return: A calculation that measures the percentage return on an investment or project, not accounting for the complexity of interest compounding.