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?