6004937829 | G0 | Cells like nerve and muscle cells that permanently lose the ability to divide and remains in this phase | 0 | |
6004937830 | Cyclin | A kind of protein that regulates the cell cycle | 1 | |
6004937831 | Internal Regulators | Proteins that make sure that that cell doesn't undergo mitosis until certain conditions are met | 2 | |
6004937832 | External Regulators | Growth factors that have the ability to speed up, slow down, or stop the cell cycle | 3 | |
6004937833 | G1 | (First Gap Phase) Cell enters this phase after completing mitosis. Cell increases in size and prepares to replicate CHECKPOINT: If the cell 1) is healthy 2) has enough resources If the DNA 1) Is undamaged Otherwise, cell dies or enters G0. Moves onto the S phase | 4 | |
6004937834 | S | DNA is synthesized thru replication | 5 | |
6004937835 | G2 | (Second Gap Phase) Cell produces organelles and other stuff for the two new functioning daughter cells. CHECKPOINT: DNA fully replicated and checked for errors. Contains no damage. Cell can then enter mitosis and divide. | 6 | |
6004937836 | Interphase | Contains G1, S, and G2 Cell mostly spends time in this phase. Chromosomes replicate in preparation for cell division. | 7 | |
6004937837 | Mitosis | Contains PMAT Is the actual division of the nucleus Used for cell growth and repair in animals. Plants use it for growth or repair. 1n -> 1n or 2n -> 2n | 8 | |
6004937838 | Prophase | Chromosomes condense and become visible Nucleoli disappears Spindle fibers form Centrioles begin to migrate towards poles Nucleus membrane begins to disintegrate | ![]() | 9 |
6004937839 | Metaphase | Chromosomes line up, single file Centrosomes are at opposite poles Spindle fibers run from centrosomes to centromeres | ![]() | 10 |
6004937840 | Anaphase | Centromeres of each chromosome separates and spindle fibers begin to pull the sister chromosomes apart Is the shortest phase of mitosis | ![]() | 11 |
6004937841 | Telophase | Chromosomes cluster at opposite ends of the cell Nuclear membrane re-forms Chromosomes unravel | ![]() | 12 |
6004937842 | Cytokinesis | Division of the cytoplasm | 13 | |
6004937843 | Why do cells divide? | As cells increase in volume, surface area decreases and the demand for material resources, limiting cell size | 14 | |
6004937844 | Are larger cells or smaller cells more favorable? | Smaller cells have a more favorable surface area-to-volume ratio, which is better for exchange of mater | 15 | |
6004937845 | The cell cycle... | ...switches between interphase and cell division | 16 |
AP Biology || Cell Cycle Flashcards
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