CELL THEORIES

Question 1

study of the structures and functions of plant and animal cells

Answer 1

Cytology

Question 2

the first to illustrate and demonstrate cork cells in his 1665 book Micrographia.

Answer 2

Robert Hooke

Question 3

was the first to observe blood and sperm cells with the use of the microscope In his 1676 published works, he introduced the first unicellular organisms, which he called the animalcules

Answer 3

Anton van Leeuwenhoek

Question 4

discovered the plant cell out of which vegetative/meristematic tissues and embryonic plants originated.

Answer 4

Matthias Schleiden

Question 5

discovered animal cells ,particularly muscle and nerve fiber tissues now named as the Schwann cell in his honor.

Answer 5

Theodor Schwann

Question 6

as the proponent of the Cell Theory’s 3rd postulate, which states that all cells come from pre-existing cells.

Answer 6

Rudolf Virchow

Question 7

All living organisms are composed of one or more cells.

Answer 7

First postulate

Question 8

The cell is the basic unit of life in all living things.

Answer 8

Second Postulate

Question 9

all cells come from pre-existing cells

Answer 9

Third Postulate

Question 10

Give at least 3 unicellular organisms

Answer 10

Amoeba
Bacteria
Euglena
Paramecium
Protozoa

Question 11

Give at least 3 multicellular organisms

Answer 11

Fungi
Plant cells
Animal cells
Human cells

Question 12

Examples of Postulate 2

Answer 12

Breast cancer cells
Human embryonic stem cells
Skin cells