Concept 9.1
What is the term for the genetic material or DNA of a cell?
Genome
In what phase is DNA being replicated?
Synthesis
What type of molecule is present in the cytoplasm and regulates progress through the cell cycle?
Signaling
What is the term for what the genetic material of a cell is partitioned into?
In what phase do mitosis and cytokinesis occur?
Mitotic phase
What are the two key regulatory proteins involved in the cell cycle control system?
Cyclins and kinases
What is the term for the complex of DNA and associated proteins together?
Chromatin
What structure, made up of microtubules, controls chromosome movement during mitosis?
Mitotic spindle
What is the term for crowded cells stopping division?
Density-dependent inhibition
How many sets of chromosomes do somatic cells have?
2
Name one difference between cytokinesis in animal cells and plant cells.
Animal cell: cleavage; Plant cell: cell plate
What is the term for cells requiring attachment to another thing to divide, such as the extracellular matrix of a tissue?
Anchorage dependence
What is the term for the division of the cytoplasm?
Cytokinesis
During which stages of the cell cycle does a chromosome consist of two identical chromatids?
From the end of S phase in interphase through the end of metaphase in mitosis.
What is the term for the exportation of cancer cells to other sites, where they may form secondary tumors?
Malignant tumor