Cell Cycle Dynamics and Cancer Insights

The video tutorial covers the cell cycle and cell division, focusing on the processes of mitosis and cytokinesis in eukaryotic cells. It explains the phases of the cell cycle, including interphase and M phase, and details the steps of mitosis: prophase, metaphase, anaphase, and telophase. The tutorial also discusses the regulation of the cell cycle through checkpoints and cyclins, and how failures in these processes can lead to cancer, highlighting the difference between benign and malignant tumors.

Why do cells undergo division?

• To increase their size indefinitely

• To become more efficient in material exchange

• To reduce the number of organelles

• To overload the DNA

Which type of cells undergo binary fission?

• Eukaryotic cells

• Prokaryotic cells

• Somatic cells

• Gametes

What are the three phases of interphase?

• G1, S, G2

• Prophase, Metaphase, Anaphase

• Mitosis, Cytokinesis, Telophase

• Interphase, Prophase, Metaphase

During which phase does DNA replication occur?

• G1 phase

• M phase

• S phase

• G2 phase

What is the correct order of the stages of mitosis?

• Telophase, Anaphase, Metaphase, Prophase

• Anaphase, Telophase, Prophase, Metaphase

• Metaphase, Prophase, Telophase, Anaphase

• Prophase, Metaphase, Anaphase, Telophase

What happens during metaphase?

• DNA replicates

• Nuclear envelope reforms

• Chromosomes move to opposite poles

• Chromosomes line up in the middle of the cell

What is the final result of mitosis and cytokinesis?

• Two different diploid somatic cells

• Two identical diploid somatic cells

• Four different haploid cells

• Four identical haploid cells

What is the role of cyclins in the cell cycle?

• To form spindle fibers

• To break down the nuclear envelope

• To ensure proper cell cycle progression

• To replicate DNA

What is apoptosis?

• Programmed cell death

• DNA replication

• Uncontrolled cell growth

• Formation of spindle fibers

What is the difference between benign and malignant tumors?

• Benign tumors are cancerous, malignant tumors are not

• Benign tumors spread, malignant tumors do not

• Benign tumors do not spread, malignant tumors can spread

• Benign tumors are formed by apoptosis, malignant tumors are not