Identification
The structure where sister chromatids are attached during the first stage of mitosis
centromere
What are the three main phase of the cell cycle?
Interphase, Mitosis, Cytokinesis
What are the phases of mitosis in order?
Prophase, Metaphase, Anaphase, Telophase
What do we call unspecialized cells?
Stem cells
Substances that are known to cause cancer
Carcinogens
Which cell process is not affected by cell growth?
The transport of substances through the cell
Passive transport of materials across the plasma membrane
Communications of code/information to organelles
All of these processes are affected by cell growth.
All of these processes are affected by cell growth.
In which form of cytokinesis will you find the growth of a septum preceding the separation of the two daughter cells? Animal, plant, or prokaryotic cell?
Prokaryotic Cell
Why are stem cells of interest to scientists?
Stem cell research may lead to finding cures for diseases and healing for injuries
The stage of the cell cycle during which the cell’s nucleus and nuclear material divide and move to opposite ends of a cell
Anaphase
T/F: Prokaryotic cells do not have a nucleus.
True
The ___ is composed of spindle fibers, aster fibers, and centrioles.
Spindle aparatus
T/F: If someone's mother, grandmother, and great grandmother had cancer, that doesn't neccesarily make them more succeptable to getting cancer themselves.
False
The relaxed form of DNA in the cell’s nucleus
Chromatin
Which of the following factors most limits the maximum size to which a cell can grow?
The ratio of the cell’s surface area to volume
The type of organism to which the cell belongs
The specific type of cell it is (nerve, blood, muscle, etc.)
There is no limit to the size that a cell can grow
The ratio of the cell’s surface area to volume
T/F: Mitosis in multicellular organisms helps regulate aerobic and anerobic processes.
False
If you see someone with webbed fingers, that is a sign that what bodily process failed to occur?
Apoptosis
The method of reproduction that single-celled organisms undergo
Binary Fission
During which substage of interphase does the cell copy its DNA in preparation for cell division?
Systhesis, S
Give a very brief description of every phase of mitosis.
See notes.
The two substances that signal the cellular reproduction process are ___ and ___.
cyclins and cyclin-dependent kinases