Cellular Molecular Bio- Unit 1

Front

Robert Hook

Back

Discovery of plant cells

Front

Antonie van Leeuwenhoek

Back

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

Front

Are these correctly paired?

Schleiden - Animal Cells

Schwann - Plant Cells

Back

No, the correct pairs:

Schleiden -Plant Cells

Schwann - Animal Cells

Front

Cell Theory

Back

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.

Front

The question of spontaneous generation?

Back

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

Front

1.5 bya

Back

First unicellular eukaryote evolve (nucleated cells)

Front

0.5 bya

Back

Multicellular life emerges (Cambrian explosion)

Front

Miller-Urey Experiment (1950)

Back

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

Front

The two strains of of Streptococcus pneumoniae found in Griffith's Experiment

Back

S-strain - virulent strain

R-strain - non-virulent strain

Front

Major finding in Griffith's Experiment

Back

Transforming Principle