Unit 3- Cell theory

Question 1

1839 German physiologist reported that all animal tissues also consist of individualized cells

Answer 1

theodor Schwann

Question 2

In 1665, English natural philosopher was the first to observe cells. Names the shapes of them as small rooms

Answer 2

Robert Hooke

Question 3

1838/1839, German botanists stated that all plants are aggregates of fully individualized, independent,namely the cells themselves

Answer 3

Mattias Schleiden

Question 4

1833, Scottish botanist discovered the nucleus of cells

Answer 4

Robert Brown

Question 5

1674 Dutch microscopist was the first to observe living cells which he termed little animals

Answer 5

Anton van Leewenhoek

Question 6

1855 German physiologist Added the third part to the cell theory, cells develop only form existing cells

Answer 6

Rudolf Carl Virchow

Question 7

cells are the ______ living things

Answer 7

smallest

Question 8

cells arise only by ______ of a previously ________ cell

Answer 8

division , existing

Question 9

All organisms are composed of ___ or ___ more cells

Answer 9

one , more