Organization of the Cell

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Questions and Answers

What are the two major parts of a typical cell as seen by the light microscope?

Nucleus and cytoplasm

What separates the nucleus from the cytoplasm?

Nuclear membrane

What is the principal fluid medium of the cell?

Water

What are the two types of proteins found in most cells?

Structural proteins and functional proteins Signup and view all the answers

What do structural proteins mainly form within the cell?

Long filaments Signup and view all the answers

What is the main function of fibrillar proteins found extracellularly?

To provide structural support in tissues such as collagen and elastin fibers. Signup and view all the answers

How do functional proteins differ from fibrillar proteins?

Functional proteins are mainly enzymes of the cell and are often mobile in the cell fluid, whereas fibrillar proteins provide structural support. Signup and view all the answers

Give an example of a specific function of enzymes in the cell.

Catalyzing chemical reactions like breaking down glucose and producing energy for cellular functions. Signup and view all the answers

Where are many of the enzymes found in the cell located?

Many enzymes are adherent to membranous structures inside the cell. Signup and view all the answers

What is the specific role of enzymes in the cellular process of breaking down glucose?

Enzymes catalyze the splitting of glucose into its component parts and then combine these parts to form carbon dioxide and water, providing energy for cellular function. Signup and view all the answers