Cell The Unit Of Life Question 89

Question: Schleiden and Schwann proposed:

Options:

A) phenomenon of Brownian movement

B) cell theory or cell doctrine

C) protoplasm as a physical basis of life

D) None of the above

Show Answer

Answer:

Correct Answer: B

Solution:

[b] Cell theory was proposed in 1838 by Matthias Schleiden and by Theodor Schwann.

The cell theory says that: All organisms are composed of one or more cells.

All cells come from pre-existing cells.

All vital functions of an organism occur within cells.

Cells contain the hereditary information necessary for regulating cell functions and for transmitting information to the next generation of cells.