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Cell Theory and Its Contributors

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Questions and Answers

What is the function of the nucleus in a cell?

Control center of the cell

Describe the structure of a nuclear envelope.

Double membrane structure with large pores

Explain the role of chromatin in a non-dividing cell.

Composed of DNA segment wound around histones proteins

What is the function of ribosomes in a cell?

Site of protein synthesis Signup and view all the answers

According to the fluid mosaic model, how is the plasma membrane described?

Transparent barrier of cell contents Signup and view all the answers

Who introduced the concept that all animals are made of cells?

Theodore Schwann Signup and view all the answers

What are the 4 elements that cells are composed of?

Carbon, hydrogen, oxygen, and nitrogen Signup and view all the answers

According to the principle of complementarity, what dictates the biochemical activities of cells?

Relative number of specific cellular structures Signup and view all the answers

What is the cellular basis for the continuity of life?

Cells Signup and view all the answers

What is the principle that states all cells come from pre-existing cells?

Cells arise from pre-existing cells Signup and view all the answers