The Cell Cycle
Mitosis and Cytokinesis
Regulations of the Cell Cycle
Multicellular Life
Previous Chapters
100
What are two main parts of the Cell Cycle?
Interphase and Mitosis
100
What is the prefix for DNA?
Chromo
100
What are external factors?
-physical and chemical signals -trigger internal factors which affect the cell cycle
100
Where do stem cells come from?
adult stem cells
100
What organelle is responsible for photosynthesis in plants are algae?
chloroplast
200
Name 3 parts of Interphase
Gap 1, Synthesis, Gap 2
200
What is DNA as one long continuous thread?
Chromosome
200
What are carcinogens? Name one example.
substances known to promote cancer - radiation, tobacco smoke, air pollution, etc.
200
What is a cell?
smallest, most basic structural unit of life
200
What molecule is made during the light-dependent reactions?
oxygen
300
Name the phases in Mitosis in order.
Prophase, Anaphase, Metaphase, Telophase, Cytokinesis
300
DNA wraps around proteins (called histones) to form ____?
Chromatin
300
What causes cancer cells?
damage to genes involved in cell cycle regulation (uncontrolled cell division)
300
State (cells, organ system, organs, tissues) in order.
Cells, Tissues, Organs, Organ system
300
What is the name for the fluid-filled space that contains enzymes for the light-dependent reactions?
stroma
400
In which step is a cell's nucleous divided into two nuclei?
Mitosis
400
What will the interactions between parts of chromatin (DNA and histones) do?
Compact/Condense chromosome
400
What are tumors?
disorganized clumps of cancer cells
400
What are possible uses of stem cells?
treat patients with blood or organ diseases
400
What is the equation for photosynthesis?
light energy + 6H2O+6CO2 > C6H12O6+6O2
500
In which step are nuclear membranes formed?
Telophase
500
Why do we "see" and x shape?
DNA is duplicated
500
What is apoptosis also known as and what does it do?
programmed cell death ; rids unhealthy cells
500
Name 3 characteristics of stem cells.
1) ability to divide and renew themselves for long periods of time 2) remain undifferentiated in form 3) can develop into a variety of specialized cell types
500
What are the products of the light reactions of photosynthesis that carry energy to the Calvin Cycle?
ATP and NADPH