Review Questions + Answer Keys
– Karp’s Cell and Molecular
Biology (9th Ed.) 2026/2027 New
Edition
_____________________________________________________________________________
_______
Zacharias Janssen
Wanted to help people who couldn't see well. Created the first lens and
made a simple microscope.
Robert Hooke
Spent a lot of time studying and drawing specimens under his
handmade microscopes. Published a book in 1665 with his drawings.
His drawing of "cork cells" is famous. He gave us the word "cell" for
use with living things. He discovered cells.
Anton von Leeuwenhoek
Improved the microscope with a secret technique. Made hundreds of
microscopes. He saw the first living microorganisms. He is called the
"Father of Microscopy".
Matthias Schleiden
He studied plants. He looked at lots of plants under the microscope;
their leaves, flowers, roots and stems. He decided that "All plants are
made of cells".
Theodor Schwann
He studied animals. He looked at animal tissues under the microscope
and saw cells. He came to the conclusion, "All animals are made of
cells".
Rudolph Virchow
He was a doctor. He studied human illness and looked at diseased
body tissue. He observed living cells dividing into two parts. He came
– Karp’s Cell and Molecular
Biology (9th Ed.) 2026/2027 New
Edition
_____________________________________________________________________________
_______
Zacharias Janssen
Wanted to help people who couldn't see well. Created the first lens and
made a simple microscope.
Robert Hooke
Spent a lot of time studying and drawing specimens under his
handmade microscopes. Published a book in 1665 with his drawings.
His drawing of "cork cells" is famous. He gave us the word "cell" for
use with living things. He discovered cells.
Anton von Leeuwenhoek
Improved the microscope with a secret technique. Made hundreds of
microscopes. He saw the first living microorganisms. He is called the
"Father of Microscopy".
Matthias Schleiden
He studied plants. He looked at lots of plants under the microscope;
their leaves, flowers, roots and stems. He decided that "All plants are
made of cells".
Theodor Schwann
He studied animals. He looked at animal tissues under the microscope
and saw cells. He came to the conclusion, "All animals are made of
cells".
Rudolph Virchow
He was a doctor. He studied human illness and looked at diseased
body tissue. He observed living cells dividing into two parts. He came
