General Biology I Assessment

Front

Who was the scientist that examined a thin slice of cork through a microscope in the mid-1600s and noticed tiny compartments called "cells"?

Back

Robert Hooke - cell walls of dead plant tissue

Front

Which scientist designed simple lenses that could magnify up to 270 times and used them to observe bacteria and protozoa for the first time?

Back

Anton van Leeuwenhoek - "animalcules"

Front

To which postulate of the cell theory does the statement "All living things are composed of one or more cells" belong?

Back

First postulate

Front

In 1839, Theodor Schwann made a significant contribution to biology by studying animal tissues. What conclusion did he reach that became part of the cell theory?

Back

All animals are made of cells

Front

What key refinement did Rudolf Virchow make to the cell theory about the origin of cells?

Back

All cells arise from pre-existing cells

Front

Improvements in which of the following directly enabled scientists to develop and confirm the principles of the cell theory?

Back

Staining methods and compound microscopes

Front

Role of cell theory in modern biology?

Back

It provides a unifying explanation for the structure and function of all living organisms

Front

What generalization did Matthias Schleiden make about plant tissues that contributed to cell theory?

Back

All plants are composed of cells

Front

The modern version of the cell theory includes which additional idea not present in the original formulation?

Back

Cells contain hereditary information that is passed during cell division

Front

Which statement from the cell theory best supports the idea that viruses are non-living entities? Options: All living things are made up of one or more cells, All cells come from pre-existing cells, Cells are the basic unit of structure and function, Cells contain hereditary material

Back

All living things are made up of one or more cells