Cell Theory Reading

Who published Micrographia in 1665?

• Rudolf Virchow

• Matthias Schleiden

• Theodor Schwann

• Robert Hooke

What did Robert Hooke observe in cork that led to the discovery of cells?

• Fibrous textures

• Smooth surfaces

• Circular patterns

• Box-shaped structures

In what year was the classical cell theory proposed by Theodor Schwann?

• 1839

• 1665

• 1838

• 1858

Which part of the classical cell theory states that all organisms are made of cells?

• Third part

• Fourth part

• Second part

• First part

Who stated 'omnis cellula e cellula' (all cells come from cells) in 1858?

• Robert Hooke

• Matthias Schleiden

• Theodor Schwann

• Rudolf Virchow

What does modern cell theory add to the classical cell theory?

• All organisms are made of cells

• Cells are the basic units of life

• DNA is passed between cells during cell division

• Cells can spontaneously arise from nonliving things

What is the role of DNA according to modern cell theory?

• It is passed between cells during cell division

• It is irrelevant to cell function

• It decreases during cell division

• It is only found in animal cells

According to cell theory, how do cells of a similar species compare?

• They are mostly the same, both structurally and chemically

• They are completely different in structure

• They vary greatly in size and shape

• They do not share any genetic information