Choose the one answer that best answers the question.
What is mitosis?
|A)||the division of the cell and cytoplasm into halves|
|B)||the replication of nuclear material|
|C)||the process of nuclear division that reduces the number of chromosomes in the resulting cells by half|
|D)||Both A & B|
Beginning with mitosis, what are the other parts of the cell cycle in order in which they occur?
|A)||cytokinesis, G1, S, G2,|
|B)||cytokinesis, S, G1, S, G2|
|C)||S, cytokinesis, G1, S, G2,|
|D)||S, G1, S, G2|
What occurs in the cell during the G2 phase?
|A)||growth processes and synthesis of compounds other than DNA|
|B)||DNA composing the chromosomes is duplicated|
|C)||molecules and structures necessary for mitosis are synthesized|
|D)||division of the cell and cytoplasm|
Beginning with interphase, what are the phases of mitosis in order in which they occur?
|A)||telophase, anaphase, metaphase, prophase|
|B)||anaphase, metaphase, prophase, telophase|
|C)||prophase, anaphase, metaphase, telophase|
|D)||prophase, metaphase, anaphase, telophase|
In which phase do the chromosomes align on a plane in the center of the cell?
What occurs during anaphase?
|A)||The mitotic spindle begins to form.|
|B)||The chromosomes align on a plane in the center of the cell.|
|C)||The sister chromatids separate.|
|D)||The mitotic apparatus disassembles.|
What is the part of the chromosome that joins the two chromatids?
What is the structure in animal cells that divides the cytoplasm into two cells.
What is a blastula?
|A)||a bridge of microtubules produced by the centrioles that will pull the chromatids apart|
|B)||an early embryonic stage of a vertebrate and consists of a sphere of cells|
|C)||a microtubule organizing center that moves to opposite ends of the cell and pull the chromatids apart|
|D)||a localized area of rapid cell division|
What is the term that describes a nucleus with two of each type of chromosome?