Question

which was venters contribution to science?
discovered the existence of single - celled organisms
invented the light microscope
discovered the structure of dna
invented a synthetic cell

Explanation:

• Antonie van Leeuwenhoek discovered single - celled organisms.
• Zacharias Janssen is credited with inventing the light microscope.
• James Watson and Francis Crick discovered the structure of DNA.
• Craig Venter invented a synthetic cell.

Answer:

invented a synthetic cell