Chapter 11

Mitosis and cytoplasmic division are the basis of __ a. asexual reproduction of single-celled prokaryotes b. development and tissue repair in multicelled species c. sexual reproduction in plants and animals

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

Homologous chromosomes ___ a. are inherited from two parents b. are sister chromatids c. are different in size and in length

Most cells spend the majority of their lives in ___. a. prophase b. metaphase c. anaphase d. telophase e. interphase f. senescence

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

Which is not a stage of mitosis? a. prophase c. interphase b. metaphase d. anaphase

In intervals of interphase, G stands for ___ a. gap c. Gey b. growth 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 descendant cells is ___ the parent cell's. a. the same as b. one-half of c. rearranged compared to d. doubled compared to

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

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

Match each term with its best description. $$ \text { cell plate } \quad \quad\quad\quad\quad \text { a. lump of cells } $$ $$ \text { spindle } \quad \quad\quad\quad\quad \text { b. made of microfilaments } $$ $$ \text { tumor } \quad \quad\quad\quad\quad \text { c. divides plant cells } $$ $$ \text { cleavage furrow } \quad \quad\quad\quad\quad \text { d. spindle originates here } $$ $$ \text {contractile ring } \quad \quad\quad\quad\quad \text { e. dangerous metastatic cells } $$ $$ \text { cancer } \quad \quad\quad\quad\quad \text { f. made of microtubules } $$ $$ \text { centrosomes } \quad \quad\quad\quad\quad \text { \(g\), indentation } $$ $$ \text { telomere } \quad \quad\quad\quad\quad \text { h. shortens with age } $$

Match each stage with the events listed. $$ \text { metaphase } \quad \quad\quad\quad\quad \text { a. sister chromatids move apart } $$ $$ \text { prophase } \quad \quad\quad\quad\quad \text { b. chromosomes condense } $$ $$ \text { telophase } \quad \quad\quad\quad\quad \text { c. new nuclei form } $$ $$ \text { interphase } \quad \quad\quad\quad\quad \text { d. chromosomes aligned midway between spindle poles } $$ $$ \text { anaphase } \quad \quad\quad\quad\quad \text { e. \(G 1, S, G 2\) } $$ $$ \text { cytokinesis } \quad \quad\quad\quad\quad \text { f. cytoplasmic division } $$