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Understanding the Eukaryotic Cell Cycle Study Guide

This guide explores the intricate process of the eukaryotic cell cycle, detailing the molecular mechanisms that regulate cell division, the critical checkpoints that ensure accuracy, and the role of these processes in health and disease, particularly cancer.

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The Cell Cycle and Mechanisms of Cell Division

The Cell Cycle and Cell Division

Cell division enables organisms to reproduce, develop, and renew cells through the distribution of DNA and chromosomes.

  • cell cycle
  • cell division
  • DNA
  • genome
  • chromosomes
  • chromatin
  • somatic cells
  • gametes
  • sister chromatids
  • centromere
  • mitosis
  • cytokinesis
  • meiosis

Phases of the Cell Cycle

The cell cycle consists of the mitotic phase, including mitosis and cytokinesis, and interphase, including cell growth and copying of chromosomes.

  • Mitotic phase
  • Interphase
  • Mitosis
  • Cytokinesis
  • S phase
  • G2 phase
  • Prophase
  • Prometaphase
  • Metaphase
  • Telophase

Mechanisms of Mitosis and Cell Division

The mitotic spindle controls chromosome movement during mitosis, while cytokinesis and binary fission facilitate cell division in animal, plant, and prokaryotic cells.

  • mitotic spindle
  • microtubules
  • centrosome
  • kinetochores
  • metaphase plate
  • sister chromatids
  • cytokinesis
  • cleavage furrow
  • cell plate
  • binary fission
  • prokaryotes

Regulation of the Eukaryotic Cell Cycle

Regulation of the Eukaryotic Cell Cycle

The eukaryotic cell cycle is regulated by a molecular control system involving cytoplasmic signals, regulatory proteins, and specific checkpoints.

  • Eukaryotic cell cycle regulation
  • Cytoplasmic signals
  • Cell cycle control system
  • Internal and external controls
  • Restriction point
  • Regulatory proteins
  • Kinases
  • Cyclins
  • M phase checkpoint
  • Kinetochores
  • Spindle microtubules
  • Separase
  • Sister chromatids
  • Growth factors
  • Platelet-derived growth factor (PDGF)

Cell Cycle Control and Cancer Cells

Cell Cycle Control and Cancer

  • density-dependent inhibition
  • cancer cells
  • transformation
  • malignant tumors
  • metastasis
  • chemotherapy

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