BIOCHEMISTRY (CELL BIOLOGY EXPEREMENTIST: BIOLOGICAL SCIENCE)

Question 1

• first person to document the stage of metamorphosis in butterflies

Answer 1

Maria Sibylla Merian (1647-1717)

Question 2

-he placed fresh meat in open containers, his experiments prove that life is necessary to produce life
“Omne vivum ex vivo” - All life comes from life

Answer 2

Francesco Redi

Question 3

1665- english scientist and microscopist that first observe plant tissue (cork)

Answer 3

Robert Hooke

Question 4

• described cells in a drop of pond water using microscope
• he was furst to see bacteria using microscope
• ALL ABOUT first person to observe something in MICROSCOPE

Answer 4

Antoine van Leeuwenhoek (1632-1723)

Question 5

1833- engliah botanist discovered the nucleus in plant cells

Answer 5

Robert Brown

Question 6

1835- discovered the protoplasm and named as “sarcode”

Answer 6

Felix Dujardin

Question 7

1836-1839- discovered the Purkinje cells and first to introduce the term “Protoplasm” as a thick jelly like substance.

Answer 7

Jan Evangelista Purkinje

Question 8

German botanist, declared the cell is the basic building block of all plant matter.

Answer 8

Matthias Jakob Schleiden

Question 9

1839- extended animal cell thereby bringing botany and zoology.

Answer 9

Theodor Schwann

Question 10

Add a third tenet to the cell theory
“ All cells develop only from existing cells.”

Answer 10

Rudolf Carl Virchow

Question 11

1882- cellular process of mitosis

Answer 11

Walther Flemming

Question 12

1931- bult first electron lens

Answer 12

Ernst Ruska