Question

(02.02 lc)
what major contribution did leeuwenhoek contribute to the study of cells?

he created a microscope the size of an eyeglass lens.

he invented the first compound microscope.

he was the first person to look at cells under a microscope.

he developed most of the cell theory.

Explanation:

• Option 1: Leeuwenhoek created simple microscopes (single - lens) that were like eyeglass - sized lenses, allowing him to observe microorganisms and cells.
• Option 2: The first compound microscope was invented by Janssen, not Leeuwenhoek.
• Option 3: Robert Hooke was the first to look at cells (cork cells) under a microscope, not Leeuwenhoek.
• Option 4: The cell theory was developed by Schleiden, Schwann, and Virchow, not Leeuwenhoek.

Answer:

A. He created a microscope the size of an eyeglass lens.