Biology

Chapter 12 The Cell Cycle and Mitosis The Key Roles of Cell Division Cell division functions in reproduction, growth, and repair Unicellular organisms (ex. Amoeba) will divide to reproduce entire organisms Cell division also will allows a multicellular organism to develop from a single cell The Key Roles of Cell Division DNA is passed from one generation of cells to the next without dilution. -cell duplicates it DNA - moves the 2 copies to opposite ends of the cell - and then splits into 2 daughter cells The Key Roles of Cell Division Concept 12.1 Cell Division distributes identical sets of chromosomes to daughter cells A cell?s genetic material is called its genome - prokaryote = single long DNA strand - eukaryote = number of DNA molecules Concept 12.1

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following statements concerning the breakdown of glucose to CO2 and water is (are) true? A) Adding electrons to another substance is known as reduction. B) The breakdown of glucose is exergonic. C) An electron acceptor is called the reducing agent. D) A and B only are correct. E) A, B, and C are correct. 2) The oxygen consumed during cellular respiration is directly involved in A) the oxidation of pyruvate to acetyl CoA. B) accepting electrons at the end of the electron transport chain. C) glycolysis. D) the citric acid cycle. E) the phosphorylation of ADP. 3) All of the following statements about NAD+ are true except: