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Cell Structure Quiz: Plasma Membrane and Cytoskeleton

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Cell Structure Quiz: Plasma Membrane and Cytoskeleton

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Questions and Answers

What is the primary function of the plasma membrane?

To store genetic information and facilitate gene expression

To regulate the entry and exit of chemicals into and out of the cell (correct)

To synthesize ribosomes for protein production

To provide mechanical strength and control the shape of the cell

Which of the following is NOT a function of the cytoskeleton?

Provide mechanical strength and control the shape of the cell

Guide the movement of molecules within the cell

Facilitate the movement of organelles and other cellular components

Regulate the entry and exit of chemicals across the plasma membrane (correct)

What is the primary function of the nucleolus within the nucleus?

To synthesize rRNA and facilitate the biogenesis of ribosomes (correct)

To store the chromosomes and facilitate DNA replication

To maintain the integrity and structure of the nuclear membrane

To regulate the entrance and exit of mRNA and proteins from the nucleus

What is the primary function of the inner membrane of the mitochondria?

To increase the surface area for more efficient ATP production through oxidative phosphorylation Signup and view all the answers

What is the primary role of the nuclear membrane (nuclear envelope)?

To facilitate the movement of mRNA and proteins between the nucleus and cytoplasm Signup and view all the answers

Which of the following statements about mitochondria is false?

Mitochondria are the only organelle in the cell that can be seen using light microscopy Signup and view all the answers

Where does the aerobic oxidation of glucose to generate ATP primarily take place?

Inner membrane Signup and view all the answers

What is the main function of smooth endoplasmic reticulum in cellular metabolism?

Biosynthesis of membrane lipids and steroids Signup and view all the answers

What is the primary function of a lysosome within a cell?

Maintaining cellular pH balance Signup and view all the answers

What is the role of the Golgi body in protein targeting and secretion?

Directing new proteins within vesicles to their correct location in the cell Signup and view all the answers

Which organelle is specialized for organelle turnover and autophagy?

Lysosome Signup and view all the answers

What is the primary function of cilia in cells?

Sensing movement of fluid Signup and view all the answers