In Addition to His Work with Bacteria, Louis Pasteur Also

question 19

Multiple Choice

In addition to his work with bacteria, Louis Pasteur also suggested that something even smaller than a bacterium was the cause of rabies. What did Louis Pasteur accomplish that furthered our understanding of viral diseases?

• A) He was the first to discover that viruses could be based on RNA rather than DNA.
• B) He developed a vaccine that he used to save a young boy that had contracted rabies.
• C) He was the first to see a virus under a microscope.
• D) He was the first to determine the life cycle of a virus.
• E) He invented the microscope.

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Definitions:

Transfer RNA

A type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein during protein synthesis.

Amino Acids

Organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid, the building blocks of proteins.

Ribosomes

Cellular structures where protein synthesis occurs, reading mRNA to assemble amino acids into polypeptide chains.

Nucleotides

The basic building blocks of DNA and RNA, consisting of a nitrogenous base, a sugar molecule, and a phosphate group.