Cell Cycle
Growth and normal metabolic roles
What is G1 phase?
The number of cycles meiosis goes through?
What is 2?
all the chromosomes are aligned in a plane called the metaphase plate, or the equatorial plane, midway between the two poles of the cell
What is Metaphase?
Signals that come from outside of the cell.
What are external signals?
the method by which prokaryotes produce new individuals that are genetically identical to the parent organism
What is Binary Fission?
the longest phase of the cell cycle
What is interphase?
The process in meiosis that ensures more genetic variation
What is crossing over?
The end product of mitosis is the cell having two sets of chromosomes.
What is diploid?
Removes a phosphate from ATP and adds it to other molecules.
What are Cyclin-dependent kinases (CDKs)?
The stage after which cells are committed to divide
What is the G1 Checkpoint?
the name of the phase where DNA is copied
What is S phase?
What is sperm?
The kinetochores appear at the centromeres, the mitotic spindle microtubules attach to kinetochores, and the centrosomes move toward opposite poles.
Cells stop dividing when they touch
What is contact inhibition?
a band of actin filaments which forms a constriction in animals cells during cytokinesis
Contractile Ring
Growth and preparation for division
What is G2 phase?
Pairs of duplicated chromosomes
What are Sister Chromatids?
the second main stage of the mitotic phase during which cell division is completed via the physical separation of the cytoplasmic components into two daughter cells
What is Cytokinesis?
a disease of the cell cycle in which cellular reproduction occurs repeatedly without end.
What is Cancer?
What is apoptosis?
Internal signals only present during certain stages of the cell cycle
Centromeres divide. Chromatids move to the opposite poles of the cells.
What is Anaphase II?
the phase where chromosomes become visible
What is prophase?
repeating DNA sequence at end of chromosome
What is a telomere?
the purpose of mitosis
What is the replacement of damaged cells or growth?