Chapter 5 Genetics
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Name the organismal structure from the least abundant to the most
organism, organ, tissue, cell, organelle, molecule
modem cell theory states what
• all living things are composed of cells • the cell is the fundamental unit of structure and function in all living things • all cells come from pre-existing cells
examples of single celled organisms
bacteria
another name for single celled organisms
prokaryote
another name for a type of cell where there are thousands of them
eukaryote
this part of an animal cell breaks down fat and creates hydrogen peroxide
peroxisome
what happens during proliferation
cell replicates itself
does replication during proliferation occur at a low or high rate
high rate
what is apoptosis
programmed cell death
what is differentiation
requires structure and fate
a determined cell requires what
its fate
How does a cell determine what type of cell it will become
by its environment
How long does a blood cell live for
100-200 days
what is a stem cell
cell that resides in proliferation or a cell in determination
what type of cells can become anything over time
totripotent cells
When cells begin to head to determination
multipotent cells
adult stem cells=
multipotent cells
name the four phases of mitosis
prophase, metaphase, anaphase, telophase
Condensing of DNA
prophase
sister chromatids align in middle
metaphase
chormatides separate
anaphase
cells begin to separate
telophase
part of cell cycle
mitosis
the longest phase of a cell’s life
interphase