Bio 210 Exam 4 Study Guide- Questions and 100% Correct Answers

The cell cycle really pertains to dividing cells. What is the definition of the cell cycle Life of a cell from the time it is first formed from a dividing parent cell until its own division into two cells What are the two independent components of cell division called Mitosis and Cytokinesis What kind of organisms use cell division as a means of reproduction Unicellular organisms What are the three key roles cell division plays in biology 1. Reproduction 2. Growth and development 3. Tissue renewal and repair What is the definition of a genome 1. Consists of all the DNA in a cell 2. can consist of a single DNA molecule (common in prokaryotic cells) or a number of DNA molecules (common in eukaryotic cells) How many chromosomes does a typical prokaryote possess 1 Where are the chromosomes found in eukaryotic cells In the nucleus Where is the extra-chromosomal DNA found in animal cells In the mitochondria Where is the extra-chromosomal DNA found in plant cells In the chloroplast What are the two macromolecules that comprise chromatin DNA, protein, and RNA Which component of chromatin is responsible for DNA condensation Histones