Lesson 4 - Mitosis Flashcards
Cell Cycle
cyclic series of events in the life of a dividing eukaryotic cell
involves a single nuclear division in which the two daughter cells formed are genetically identical to each other and to the original cell
Mitosis
What are the stages of Cell Cycle?
Interphase, Prophase, Metaphase, Anaphase, Telophase
cyclic series of events in the life of a dividing eukaryotic cell
Cell Cycle
Interphase
Cell prepares for division, longest part of the cell cycle
G1 phase
Cell grows and produces more organelles
S Phase (synthesis)
Cell’s DNA is being replicated. Chromosomes duplicates
G2 Phase
Cell continues to grow and check if its ready for mitosis/cell division
Nuclear membrane breaks down, then chromatin condenses, and forms chromosomes
Prophase
Duplicated chromosomes line up across the middle of the cell
Metaphase
Sister chromatids pull apart to opposite poles of the cell
Anaphase
Nucleolus forms around the chromosome at the opposite ends, it begins to decondense back into chromatin
Telophase
Cytokinesis
splits the cytoplasm and completes the division into two daughter cells
Prophase
Nuclear membrane breaks down, chromatin condenses and forms chromosomes
Metaphase
duplicated chromosomes line up across the middle of the cell
Anaphase
sister chromatids pull apart to opposite poles of the cell
Telophase
nucleolus forms around the the chromosome at the opposite pole, it begins to decondense back into chromatin
What causes the movement of chromosomes towards the opposite poles?
Its spindle apparatus
What are spindle fibers and cell plate made of?
Microtubules and vesicles containing cell wall materials like cellulose
