AP Bio Unit 4 Review

Front

What is mitosis?

Back

Mitosis is the process of cell division that results in two genetically identical daughter cells from a single parent cell, involving stages such as prophase, metaphase, anaphase, and telophase.

Front

What occurs during prophase?

Back

During prophase, chromatin condenses into visible chromosomes, the nuclear envelope breaks down, and the mitotic spindle begins to form.

Front

What is the role of the mitotic spindle?

Back

The mitotic spindle is responsible for separating sister chromatids during cell division.

Front

What happens during metaphase?

Back

During metaphase, chromosomes align at the metaphase plate, and spindle fibers attach to the centromeres of the chromosomes.

Front

What is telophase?

Back

Telophase is the final stage of mitosis where the chromosomes de-condense, the nuclear envelope re-forms around each set of chromosomes, and the cell prepares to divide.

Front

What is the function of the cell plate in plant cells?

Back

The cell plate forms during telophase and is responsible for creating a new cell wall that divides the two daughter cells.

Front

What is the G1 checkpoint?

Back

The G1 checkpoint is a control mechanism in the cell cycle that ensures cells are ready to enter the S phase, checking for DNA damage and proper growth signals.

Front

What can happen if the G1 checkpoint fails?

Back

If the G1 checkpoint fails, it may lead to unregulated entry into the S phase, apoptosis, or cell cycle arrest.

Front

What is factor V and its role in the signaling cascade?

Back

Factor V is a protein that plays a crucial role in the blood coagulation cascade, facilitating the conversion of prothrombin to thrombin.

Front

What is apoptosis?

Back

Apoptosis is a programmed cell death process that eliminates damaged or unnecessary cells in a controlled manner.