Cell Membrane Proteins Functions Quiz

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Questions and Answers

What is the primary function of the cell nucleus?

To store DNA and control the cell's activities (correct)
To transport materials in and out of the cell
To break down and recycle waste materials in the cell
To produce energy for the cell through cellular respiration

What is the purpose of the nuclear membrane, also called the nuclear envelope?

To produce energy for the cell through cellular respiration
To store and replicate the cell's DNA
To break down and recycle waste materials in the cell
To separate the nucleus from the cytoplasm and regulate the movement of materials in and out of the nucleus (correct)

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

To produce energy for the cell through cellular respiration
To store and synthesize RNA for use in protein production (correct)
To break down and recycle waste materials in the cell
To regulate the movement of materials in and out of the nucleus

How are the nuclear membrane and the endoplasmic reticulum (ER) connected?

The outer membrane of the nuclear envelope is continuous with the ER, and the space between the two nuclear membranes is continuous with the ER lumen (B) Signup and view all the answers

What is the purpose of the nuclear pores in the nuclear membrane?

To allow the passage of materials, such as proteins and RNA, in and out of the nucleus (D) Signup and view all the answers

How does the nucleus control the cell's activities?

The nucleus sends messages to the cell to grow, replicate, or die (C) Signup and view all the answers

What is the primary role of the DNA stored within the cell nucleus?

To determine the characteristics of the cell's proteins and control the cell's activities (B) Signup and view all the answers

What is the relationship between the nucleolus and the ribosomes in the cell?

The nucleolus stores and synthesizes RNA for use in ribosome production (C) Signup and view all the answers

What is the primary function of the intracellular enzymes found within the cell nucleus?

To control cytoplasmic and nuclear activities (A) Signup and view all the answers

How does the structure of the nuclear membrane, or envelope, contribute to its function?

The double-layered membrane and nuclear pores allow for the regulated movement of materials in and out of the nucleus (A) Signup and view all the answers