Cell Theory

Question 1

The cell was discovered in 1665. He discovered a multitude of tiny pores that he named cells.

Answer 1

Robert Hooked

Question 2

This came from a Latin word cella, meaning “a small room” like where monks lived in and also cellulae, which means the six cells of a honeycomb.

Answer 2

Robert Hooked

Question 3

First to observed living organisms

Answer 3

Anton Van Leeuwenhoek

Question 4

In 1697, he stated that motility is a quality of life, therefore, these motile objects were living organisms.

Answer 4

Anton Van Leeuwenhoek

Question 5

Leeuwenhoek named these “________” which included protozoa and other unicellular organisms, like bacteria.

Answer 5

Animalcules

Question 6

One of the basic principles of biology

Answer 6

Cell Theory

Question 7

In 1838, he suggested that every structural part of a plant was made up of cells or the result of cells.

Answer 7

Matthias Jakob Schleiden

Question 8

In 1839, he stated that along with plants, animals are composed of cells or the product of cells in their structures.

Answer 8

Theodor Schwann

Question 9

In 1855, he stated “Omnis cellula e cellula” which means “All cells only arise from pre-existing cells”

Answer 9

Rodulf Virchow

Question 10

All cells only arise from pre-existing cells

Answer 10

Omnis cellula e cellula

Question 11

The three tenets of cell theory

Answer 11

All living organisms are composed of one or more cells.
The cells is the most basic unit of life.
All cells arise only from pre-existing cells.

Question 12

The evolution of cell theory in today, additional to three tenets of cell theory

Answer 12

Energy flow (metabolism and biochemistry) occurs within cells.
All cells are basically the same in chemical composition in organisms of similar species.
Heredity information (DNA) is passed on from cell to cell.