Chapter 8

Biology Concepts and Applications · 9 exercises

Problem 1

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 prokaryotes d.both a and b

5 step solution

Problem 2

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

3 step solution

Problem 3

The basic unit that structurally organizes a eukaryotic chromosome is the ________ . a. higher order coiling b. bipolar mitotic spindle c. nucleosome d. microfilament

4 step solution

Problem 4

The chromosome number is _______ . a. the sum of all chromosomes in a cell of a given type b. an identifiable feature of each species c. maintained by mitosis d. all of the above

5 step solution

Problem 5

A somatic cell having two of each type of chromosome has a(n) ________ chromosome number. a. diploid b. haploid c. tetraploid d. abnormal

5 step solution

Problem 6

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

3 step solution

Problem 7

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

4 step solution

Problem 9

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

4 step solution

Problem 10

Match each stage with the events listed. ______metaphase ______prophase ______telophase ______anaphase a. sister chromatids move apart b. chromosomes start to condense c. daughter nuclei form d. all duplicated chromosomes are aligned at the spindle equator

4 step solution

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