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Cell Structure and Function


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Scanning electron micrograph
of cellular organelles. Mitochondria (green) and
the smooth endoplasmic reticulum (blue) perform
specific functions in cells.

3.1 Cellular Organization
(See page(s) 36)

Name the three main parts of a human cell.

Describe the structure and function of the plasma membrane.

Describe the structure and function of the nucleus.

Describe the structures and roles of the endoplasmic reticulum and the Golgi apparatus in the cytoplasm.

Describe the structures of lysosomes and the role of these organelles in the breakdown of molecules.

Describe the structure of mitochondria and their role in producing ATP.

Describe the structures of centrioles, cilia, and flagella and their roles in cellular movement.

Describe the structures and function of the cytoskeleton.

3.2 Crossing thePlasma
(See page(s) 43)

Describe how substances move across the plasma membrane, and distinguish between passive and active transport.

3.3 The Cell Cycle
(See page(s) 46)

Describe the phases of the cell cycle.

As a part of interphase, describe the process of DNA replication.

As a part of interphase, also describe how cells carry out protein synthesis.

Describe the phases of mitosis, and explain the function of mitosis.






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