Podcast
Questions and Answers
What is the role of the nucleus in a cell?
What is the role of the nucleus in a cell?
- Generating energy
- Storing genetic information (correct)
- Synthesizing proteins
- Facilitating cell movement
Which term describes the complex consisting of DNA and proteins in the nucleus?
Which term describes the complex consisting of DNA and proteins in the nucleus?
- Chromatin fibers (correct)
- Nucleosomes
- Chromosomes
- Centromeres
What is the purpose of nucleosomes in DNA organization?
What is the purpose of nucleosomes in DNA organization?
- To synthesize RNA molecules
- To store excess nucleotides
- To facilitate cell division
- To provide structural support to DNA (correct)
What term refers to the condition where chromatin is tightly packed and transcriptionally inactive?
What term refers to the condition where chromatin is tightly packed and transcriptionally inactive?
Which part of the nucleus contains support filaments and plays a role in the organization of DNA?
Which part of the nucleus contains support filaments and plays a role in the organization of DNA?
How many pairs of chromosomes are present in a human karyotype?
How many pairs of chromosomes are present in a human karyotype?
Where are the most transcribed genes usually located in the nucleus?
Where are the most transcribed genes usually located in the nucleus?
Which type of chromatin is highly condensed and metabolically inactive?
Which type of chromatin is highly condensed and metabolically inactive?
What is the purpose of the nuclear lamina?
What is the purpose of the nuclear lamina?
During which phase of the cell cycle does DNA replication occur?
During which phase of the cell cycle does DNA replication occur?
Which part of the nucleus is responsible for rRNA synthesis and initial ribosomal assembly?
Which part of the nucleus is responsible for rRNA synthesis and initial ribosomal assembly?
What is the function of euchromatin in the nucleus?
What is the function of euchromatin in the nucleus?
During which stage of meiosis does chromosome number get reduced by half?
During which stage of meiosis does chromosome number get reduced by half?
Which term refers to the level of mitotic activity in a population of similar cells that divide episodically to maintain normal tissue structure?
Which term refers to the level of mitotic activity in a population of similar cells that divide episodically to maintain normal tissue structure?
Which term describes the condition where an individual has an extra copy of a chromosome, known as trisomy?
Which term describes the condition where an individual has an extra copy of a chromosome, known as trisomy?
What is the term for a chromosomal abnormality involving the absence of a portion of a chromosome?
What is the term for a chromosomal abnormality involving the absence of a portion of a chromosome?
Which type of cell population includes cells like neurons and mature skeletal muscle cells that do not divide after reaching maturity?
Which type of cell population includes cells like neurons and mature skeletal muscle cells that do not divide after reaching maturity?
What process involves two sets of division, with the first reducing the chromosome number by half?
What process involves two sets of division, with the first reducing the chromosome number by half?
