Chapter 11

Mitosis and cytoplasmic division function in ________. a. asexual reproduction of single-celled eukaryotes b. growth and tissue repair in multicelled species c. gamete formation in bacteria and archaeans d. both a and b

A duplicated chromosome has _______ chromatid(s). a. one b. two c. three d. four

Except for a pairing of sex chromosomes, homologous chromosomes ___________. a. carry the same genes b. are the same shape c. are the same length d. all of the above

Most cells spend the majority of their lives in ____________. a. prophase b. metaphase c. anaphase d. telophase e. interphase f. a and \(c\)

The chromosomes align at the midpoint of the spindle during ____________. a. prophase b. metaphase c. anaphase d. telophase e. interphase f. cytokinesis

The spindle attaches to chromosomes at the ____________. a. centriole b. contractile ring c. centromere d. centrosome

Only _______ is not a stage of mitosis a. prophase b. interphase c. metaphase d. anaphase

In intervals of interphase, G stands for _____________. a. gap b. growth c. Gey d. gene

Interphase is the part of the cell cycle when ______________. a. a cell ceases to function b. the spindle forms c. a cell grows and duplicates its DNA d. mitosis proceeds

After mitosis, the chromosome number of a descendant cell is ___________ the parent cell's. a. the same as b. one-half of c. rearranged compared to d. doubled compared to

Name any checkpoint gene.

Which of the following encompasses the other two? a. cancer b. neoplasm c. tumor

Match each term with its best description. ________cell plate ________spindle ________tumor ________cleavage furrow ________contractile ring ________cancer ________centrosomes a. lump of cells b. made of microfilaments c. divides plant cells d. organizes the spindle e. metastatic cells f. made of microtubules g. indentation

Match each stage with the events listed. __________metaphase __________prophase __________telophase __________anaphase a. sister chromatids move apart b. chromosomes start to condense c. new nuclei form d. all duplicated chromosomes are aligned at the spindle equator