Mitosis

Structures that control the movement and separation of chromosomes during mitosis.

• What are spindle fibers?

• Spindle fibers

• Chromatin

• Nuclear envelope

To monitor and regulate the progression of the cell cycle, ensuring proper division. What is the role of checkpoints in the cell cycle?

• To initiate cell division at the right time.

• To monitor and regulate the progression of the cell cycle, ensuring proper division.

• To promote apoptosis in damaged cells.

• To enhance the speed of DNA replication.

What happens during anaphase?

• Chromosomes move away and are pulled apart by spindles to opposite sides of the cell.

• Chromosomes align at the cell's equator before separation.

• Chromosomes are duplicated and prepared for division.

• Chromosomes condense and become visible under a microscope.

The region where a chromatid is attached to a spindle fiber.

• What is a centromere?

• B. Centromere

• C. Kinetochore

• D. Chromatin

What is cytokinesis?

• The process that follows mitosis, dividing the cytoplasm and organelles into two daughter cells.

• The phase of cell division where chromosomes are aligned at the cell's equator.

• The stage of the cell cycle where DNA is replicated before mitosis.

• The process of cell differentiation into specialized cell types.

What is mitosis?

• The process by which the material inside the nucleus is divided equally between two new cells.

• A method of cellular respiration in plants.

• The stage of cell division where chromosomes are replicated.

• The process of protein synthesis in the ribosome.

What happens during telophase?

• The nuclear envelope re-forms around each set of chromosomes.

• The cell membrane pinches inwards to form two daughter cells.

• The spindle fibers pull the chromosomes to opposite ends of the cell.

What happens during metaphase?

• Chromosomes align in the middle of the cell, ensuring proper separation.

• Chromosomes are duplicated and begin to condense.

• Chromosomes are pulled apart to opposite ends of the cell.

• The nuclear envelope re-forms around the separated chromosomes.

What is chromatin?

• The relaxed form of DNA found in the nucleus during interphase.

• A tightly packed structure of DNA during cell division.

• A type of RNA that helps in protein synthesis.

• The protein that helps in the packaging of DNA.

What occurs during prophase?

• Chromosomes condense and become visible, and the nuclear membrane begins to break down.

• The DNA is replicated, resulting in two identical copies of each chromosome.

• The spindle fibers begin to form and attach to the centromeres of the chromosomes.

• The cell undergoes cytokinesis, dividing the cytoplasm into two daughter cells.