CAMPBELL BIOLOGY 12TH EDITION-
CHAPTER 12 EXAM REVIEW
QUESTIONS WITH COMPLETE
SOLUTIONS
Cell Division - Answer-The continuity of life is based on the replication of cells
Genome - Answer-Where the cells DNA is held/ genetic information
Chromosomes - Answer-The packages where DNA is stored in the cell
Chromatin - Answer-The entire complex of DNA and associated proteins that make up
chromosomes
Gametes - Answer-Reproductive cells (sperm or egg)
Sister Chromatids - Answer-Joint copies of the original chromosomes
Cohesions - Answer-Joins sister chromatids together along the length of the arms
Centrromere - Answer-Region made of repetitive segments in chromosomal DNA where
the chromatid is most closely attached to its sister chromatid
Mitosis - Answer-Division of genetic material in nucleus, usually followed by cytokinesis
Cell Cycle - Answer-Life of a cell from its formation from its parent cell to when it
duplicate into 2 daughter cells
Interphase - Answer-Composed of 3 steps G1, S (synthesis), and G2,
G1 Phase - Answer-Metabolic activity and growth, also where the cell decides to divide
again
S Phase - Answer-Metabolic activity, growth, and DNA synthesis
G2 Phase - Answer-Metabolic activity, growth, and preparation for cell division
Prophase - Answer-Where the chromatin fibers become more condensed and the
nucleus disappears
CHAPTER 12 EXAM REVIEW
QUESTIONS WITH COMPLETE
SOLUTIONS
Cell Division - Answer-The continuity of life is based on the replication of cells
Genome - Answer-Where the cells DNA is held/ genetic information
Chromosomes - Answer-The packages where DNA is stored in the cell
Chromatin - Answer-The entire complex of DNA and associated proteins that make up
chromosomes
Gametes - Answer-Reproductive cells (sperm or egg)
Sister Chromatids - Answer-Joint copies of the original chromosomes
Cohesions - Answer-Joins sister chromatids together along the length of the arms
Centrromere - Answer-Region made of repetitive segments in chromosomal DNA where
the chromatid is most closely attached to its sister chromatid
Mitosis - Answer-Division of genetic material in nucleus, usually followed by cytokinesis
Cell Cycle - Answer-Life of a cell from its formation from its parent cell to when it
duplicate into 2 daughter cells
Interphase - Answer-Composed of 3 steps G1, S (synthesis), and G2,
G1 Phase - Answer-Metabolic activity and growth, also where the cell decides to divide
again
S Phase - Answer-Metabolic activity, growth, and DNA synthesis
G2 Phase - Answer-Metabolic activity, growth, and preparation for cell division
Prophase - Answer-Where the chromatin fibers become more condensed and the
nucleus disappears
