Cellular Molecular Bio- Unit 1

Discovery of plant cells

Iris diaphragm - he is the "father of the microscope"

No, the correct pairs:

Schleiden -Plant Cells

Schwann - Animal Cells

1. 1. The cell is the structural unit of life.

2. 2. All organisms are composed of one or more cells.

3. 3. Cells can arise only by division from a preexisting cell.

4. 4. Cells contain genetic information, passed from parent to daughter cell.

Opposed by Louis Pasteur - his Swan-neck experiment demonstrated that life cannot be spontaneously generated.

First unicellular eukaryote evolve (nucleated cells)

Multicellular life emerges (Cambrian explosion)

Experiment that demonstrated how "life came from nothing". Organic molecules (amino acids) were formed from a mixture of inorganic gases and water.

S-strain - virulent strain

R-strain - non-virulent strain

Transforming Principle