Question

Cell theory is based on a series of discoveries. In 1655, Robert Hooke coined the word "cell" from his investigations of cork cells. Almost two hundred years later, Schleiden and Schwann proposed the cell theory that states that: All life forms are made from one or more cells. The cell is the smallest form of life. In 1859 Louis Pasteur's experimental data provided the data to add a third element to the theory: All cells come from other living cells. Pasteur's work shows us that theories
A) can be disproved by peer review. B) must be modified as time goes by. C) can be modified with new empirical data. D) are never changed regardless of empirical evidence.

Answer 1

Answer:

C) may be the right answer.

Answer 2

Pasteur's work shows us that theories C) can be modified with new empirical data.

• The theories and the facts that we know about the cell were discovered a very long time ago so clearly there were not enough measures or advanced technologies unlike in the today's world.
• Many theories in the field of science exist which are without question true and many are there which were modified years later when some defects were found in them.
• For example, the laws of inheritance were proposed by Gregor Mendel in 1865, the laws are still used successfully to determine one's information on genetics. In the year 1900 three scientists Carls Correns, Tshermark and Hugo de Vries rediscovered Mendel's work and thereby gave an extra edge to the theory proposed by Mendel.
• Thus, modifications must be made from time to time as one discovers new things owing to the advancing world.

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