Chapter 11

Mitosis and cytoplasmic division function in _____. a. asexual reproduction of single-celled eukaryotes b. growth and tissue repair in multicelled species c. asexual reproduction in prokaryotes d. both a and b e. all of the above

A duplicated chromosome has how many chromatids?

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 d

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. metaphase c. centromere d. centrosome

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. a cell forms its spindle apparatus 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. double that of

A plant cell divides by the process of _____. a. telekinesis b. nuclear division c. fission d. cytokinesis

\(B R C A 1\) and \(B R C A 2\) _____. a. are checkpoint genes b. are proto-oncogenes c. encode tumor suppressors d. all of the above

_____ are characteristic of cancer. a. Malignant cells b. Neoplasms c. Tumors

Match each term with its best description. a. lump of cells b. made of microfilaments c. divides plant cells d. organize(s) the spindle e. dangerous metastatic cells f. made of microtubules g. indentation h. shortens with age cell plate ______ spindle _____ tumor _____ cleavage furrow _____ contractile ring _____ cancer _____ centrosomes _____ telomere _____

Match each stage with the events listed. a. sister chromatids move apart b. chromosomes condense c. new nuclei form d. all chromosomes are aligned midway between spindle poles e. DNA replication f. cytoplasmic division metaphase _____ prophase _____ telophase _____ interphase _____ anaphase _____ cytokinesis _____