Cell division (mitosis)
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Put in order of size (smallest to largest): genes, chromosomes, DNA, cell, nucleus
DNA, gene, chromosome, nucleus, cell
Name the 3 stages of the cell cycle
Interphase, Mitosis, Cytokinesis
Describe the three things that happen during interphase
1) The cell grows, 2) chromosomes are copied, 3) more mitochondria and ribosomes are made
Describe what happens during mitosis
Chromosomes pulled to opposite ends of the cell
Describe what happens during cytokinesis
Cell membrane and cytoplasm split in two
State why the cell cycle is important
More cells are made for growth and repair
State what is produced in the cell cycle
Two genetically identical daughter cells
Mitosis produces which type of cells?
Diploid cells
Define “stem cell”
An undifferentiated cell
Name 3 places where stem cells can be found in humans
Embryos, adult bone marrow, meristem
State two conditions that stem cells can be used to treat in humans
Paralysis and type 1 diabetes
State two uses of stem cells in plants
1) Clone rare species 2) produce disease resistant crops
Describe what is meant by “therapeutic cloning)
Using clones of a patient’s own stem cells to treat them
Which cells are required for therapeutic cloning?
Egg cell and a normal body cell from patient
State two objections to using stem cells in treatment
Potential transfer of viral infections and ethical/religious objections