The Cell Cycle and Mitosis

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A level Biology (2.1.6 Cell Division, Cell Diversity + Cellular Organisation) Flashcards on The Cell Cycle and Mitosis, created by Yinka F on 30/01/2018.
Yinka F
Flashcards by Yinka F, updated more than 1 year ago
Yinka F
Created by Yinka F almost 7 years ago
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Question Answer
What two main phases make up the cell cycle? Interphase M phase
What is interphase? A period of cell growth and DNA replication.
What is the M phase? A period of cell division (involves mitosis and cytokinesis)
What regulates the cell cycle? Checkpoints
Complete the sentences: During ______________ the cell caries out normal functions and prepares to divide. The cell's DNA is _________ and __________, and the organelles are also replicated, During INTERPHASE the cell caries out normal functions and prepares to divide. The cell's DNA is UNRAVELLED and REPLICATED, and the organelles are also replicated,
TRUE OR FALSE: The ATP content of the cell during interphase is increased TRUE
What are the uses of mitosis? Growth Repair Asexual reproduction
What are the 4 stages of mitosis? Prophase Metaphase Anaphase Telophase
What happens in prophase? Chromosomes condense Centrioles move to poles of cell Nuclear envelope breaks down
What happens in metaphase? Chromosomes line up at the spindle equator Spindle fibres attach to the centromeres
What happens in anaphase? Centromeres divide, separating each pair of sister chromatids Spindles contract, pulling chromatids to opposite ends of the cell
What happens in telophase? Chromatids uncoil (now called chromosomes again) Nuclear envelope forms
What happens in cytokinesis? Cytoplasm divides There are now 2 identical daughter cells Begins in anaphase, ends in telophase Separate process to mitosis
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