growth and regeneration of cells
function of mitosis
producing new gametes
function of meiosis
all body cells
location of mitosis
location of meiosis
number of daughter cells in mitosis
number of daughter cells in meiosis
change of chromosome number in mitosis
change of chromosome number in meiosis
number of cell divisions in mitosis
number of cell divisions in meiosis
the daughter cell is a replica of the parent cell
difference in DNA in parent cell and daughter cell in mitosis
each gamete has a unique combination of alleles
difference in DNA in parent cell and daughter cell in meiosis
Are chromosomes visible in most cells except during cell division?
When chromosomes become visible at the beginning of cell division, what does each chromosome consist of?
Each pair of chromatids is attached at an called the ____.
G-1 phase, S phase, G-2 phase
the phases that take place during interphase
What happens during G-1 phase?
What happens during S phase?
preparation for mitosis
What happens during g-2 phase?
Prophase, metaphase, anaphase, telophase
the four phases of mitosis
What are the two tiny structures located in the cytoplasm near the nuclear envelope at the beginning of prophase?
microtubule structure that helps separate the chromosomes
The chromosomes become visible during this stage of mitosis.
the centrioles take up positions on opposite sides of the nucleus during this stage of mitosis
The chromosomes line up across the center of the cell during this stage of mitosis.
the chromosomes move until they form two groups near the poles of the spindle during this stage of mitosis.
a nuclear envelope re-forms around each cluster of chromosomes during this stage of mitosis
the nucleolus becomes visible in each daughter nucleus during this stage of mitosis
the division of the cell is called ____.
A cell plate forms in a ____.
A cleavage furrow forms in a _____.
What forms miday between the divided nucleus during cytokinesis in plant cells?
M phase is also known as ___.
they are stimulated to divide rapidly
What happens to the cells at the edges of an injury when a cut in the skin or a break in the bone occurs?
rate of cell division slows
What happens to the rapidly dividing cells when the healing process nears completion?
What regulate the entry of cells into the G-1 Phase?
What are internal regulators?
They direct cells to speed or slow the cell cycle, include growth factors, and prevent excessive cell growth.
a disorder where some body cells lose the ability to regulate cell growth
a disease of the cell cycle
the division of a cell's cytoplasm
the final phase of mitosis
the phase of mitosis in which microtubules connect the centromere of each chromosome to the poles of the spindle
What two chromosomes consist of at the beginning of cell division?
the phase of mitosis that ends when the chromosomes stop moving
the process by which a cell divides into two new daughter cells
a tiny structure located in the cytoplasm near the nuclear envelope
the area where a pair of chromatids are attached
the division of the cell nucleus
a protein that regulates the timing of the cell cycle in eukaryotic cells
the series of events that cells go through as they grow and divide
a fanlike microtubule structure that helps separate the chromosomes
the time period between cell divisions
the phase in which many organelles and molecules needed for cell division are formed
the phase in which the chromosomes line up in the middle of the cell
the process in which two daughter cells are formed
the structure that forms in the cell plate
What divides during cytokinesis?
the first and longest phase of mitosis
the second and shortest phase of mitosis
the phase of mitosis in which the duplicated chromosomes separate from each other
the phase of mitosis in which two distinct nuclei form
specific cells are created to carry out specific functions
white blood cell
a cell that is specialized to destroy bacteria in the bloodstream
one type of message-carrying cells in the body which are part of the nervous system
a group of similar cells that perform similar functions
a group of tissues that work together to perform a specific function
protein that regulates the timing of the cell cycle in eukaryotic cells