Genetic information bundled into packages of DNA are called this.
What are chromosomes?
100
This is the division of the nucleus.
What is mitosis?
100
These proteins were discovered in the 1980's and when injected into non-dividing cells, caused them to divide.
What are cyclins?
100
This is a disorder in which the body cells lose the ability to control growth.
What is cancer?
100
These are the result of meiosis.
What are 4 haploid gametes?
200
During this, the cell grows, prepares for division and divides to form two daughter cells.
What is the cell cycle?
200
This is the second part of the M phase where the cytoplasm divides.
What is cytokinesis?
200
An example of this is: spindle must be formed before anaphase can happen.
What is internal regulators?
200
These tumors are not normally dangerous in that they do not spread to surrounding tissues.
What is a benign tumor?
200
These cells contain a complete set of chromosomes, or two complete sets of genes.
What are diploid cells?
300
This is the longest phase of the cell cycle and is divided into G1, S and G2 phases.
What is interphase?
300
These structures are in the middle of a chromosome and spindle fibers attach to it so chromosomes can be separated.
What are centromeres?
300
These external regulators respond to events outside of a cell and stimulate growth and division of cells. These are especially important during embryonic development.
What are growth factors?
300
Cancerous tumors that spread to surrounding tissues are said to be this.
What is malignant?
300
These are homologous chromosomes that touch and cross-over information. It happens during prophase I.
What are tetrads?
400
During this phase of interphase the cell goes through intense growth and does synthesize new proteins and organelles as well.
What is G1?
400
During this phase of mitosis, sister chromatids are pulled apart to opposite ends of the cell.
What is anaphase?
400
This is a programmed cell death.
What is apoptosis?
400
These are some causes of cancer.
What are: radiation exposure, genetics, smoking, chemicals (toxins), obesity...
400
During this phase of meiosis, paired homologous chromosomes line up across the center of the cell.
What is metaphase I?
500
During this phase of interphase, DNA is replicated.
What is the S phase?
500
This phase of mitosis overlaps with cytokinesis. A nuclear envelope re-forms around each cluster of chromosomes.
What is telophase?
500
Cells normally stop growing at this time.
What is when they come into contact with each other?
500
This type of cancer treatment are chemical compounds that target rapidly dividing cells. It is effective at killing cancer cells, but also can kill healthy cells.
What is chemotherapy?
500
This division ( I or II) is most like mitosis because sister chromatids are separated.