Cell Structure

Objectives

Sect 1: Looking at Cells

• 1. Describe how scientists measure the length of objects.

  2. Relate magnification and resolution in the use of microscopes.

  3. Analyze how light microscopes function.

  4. Compare light microscopes with electron microscopes.

  5. Describe the scanning tunneling microscope.

Sect 2: Cell Features

• 1. List the three parts of the cell theory.

  2. Determine why cells must be relatively small.

  3. Compare the structure of prokaryotic cells with that of eukaryotic cells.

  4. Describe the structure of cell membranes.

Sect 3: Cell Organelles

• 1. Describe the role of the nucleus in cell activities.

  2. Analyze the role of internal membranes in protein production.

  3. Summarize the importance of mitochondria in eukaryotic cells.

  4. Identify three structures in plant cells that are absent from animal cells.