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Cell Biology Chapter: Nucleus and Chromosomes

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Cell Biology Chapter: Nucleus and Chromosomes

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Questions and Answers

What is the function of the nucleus in regulating cellular activities?

It is responsible for the secretion of ribosomes

It is involved in the synthesis of energy and nutrient metabolism

It is involved in the creation of proteins through DNA duplication

It oversees cells' functions and regulatory mechanisms for keeping the cell healthy and alive (correct)

What is the role of the nucleus in cell growth?

It synthesizes structural proteins (correct)

It is involved in DNA duplication

It regulates the secretion of ribosomes

It oversees cells' functions and regulatory mechanisms

What is stored in the nucleus in the form of chromatin or chromosomes?

Genetic information needed for protein synthesis (correct)

Energy and nutrient molecules essential for metabolism

Structural proteins required for cell growth

Regulatory mechanisms for cell function

Where are ribosomes synthesized in the cell?

Nucleolus Signup and view all the answers

What is the significance of cell specialization in embryonic development?

It is crucial for the development of embryos Signup and view all the answers

What do all the body cells of a single organism share?

The same set of genetic instructions in their nuclei Signup and view all the answers

What is the main purpose of the nuclear envelope's pores?

To regulate the flow of material going in and out of the nucleus Signup and view all the answers

What is the primary function of chromatin in the nucleus?

To store genetic information in a compact form Signup and view all the answers

What is the primary function of the nucleolus?

To transcribe and assemble ribosomes Signup and view all the answers

What is the primary function of chromosomes in the nucleus?

To facilitate the movement of genetic material during cell division Signup and view all the answers

What is the composition of the nucleoplasm?

A gel-like substance containing chromatin and nucleolus Signup and view all the answers

What is the significance of the nucleus in a eukaryotic cell?

It is the genetic control center of the cell Signup and view all the answers

Where does the exchange of large molecules, such as protein and RNA, between the nucleus and cytoplasm occur?

Nuclear Envelope Signup and view all the answers

What is the function of heterochromatin?

It is highly condensed and transcriptionally inactive Signup and view all the answers

What is the main function of the nucleolus?

To synthesize ribosomes Signup and view all the answers

What is the role of chromatin in the nucleus?

It is comprised of DNA and is a key component of chromosomes Signup and view all the answers

What is the composition of nucleoplasm?

Mainly water with some proteins and RNA Signup and view all the answers

What is the term for the process of making ribosomes?

Ribosome biogenesis Signup and view all the answers