BIOLOGY CELL DIVISION STUDY GUIDE

1.  / Which molecule contains the information needed by a cell to direct its activities and to determine its characteristics?
2.  / What macromolecules makes chromosome?
3.  /
Describe how does the molecule of DNA fit into the nucleus of the cell
4.  / How many chromosomes do the human sperm and egg cells contain?______
5.  / Draw a chromosome before cell divides. Label all the structures.
What is the name of a protein disk that attaches two chromatids to each other in a chromosome?
6.  / What is diploid cell?
7.  / What is haploid cell?
8.  / What symbol is designated to a diploid cell ______/ haploid cell ______
9.  / Each offspring cell that is produced by mitosis contains haploid / diploid number of chromosomes
10.  / How does meiosis differ from mitosis?
11.  /
Describe the process of fertilization.

PROBLEMS

12.  / The diploid number of chromosomes in a human muscle cell is 46. How many chromosomes do its sperm or egg cells contain?
13.  / How many chromosomes are in the body cells of an organism that has a haploid number of 32? Show your work