Question

in 1938, what did the scientific community understand about dna?
neither its structure or its function
its function but not its structure
its structure but not its function
both its structure and its function

Explanation:

In 1938, the scientific community had limited knowledge about DNA. The structure of DNA (double - helix) was discovered by Watson and Crick in 1953. Before that, the function of DNA as the carrier of genetic information was also not fully understood in 1938. Scientists were still in the early stages of exploring nucleic acids.

Answer:

Neither its structure or its function