State Standard 2E. Compare the advantages of sexual reproduction and asexual reproduction in different situations. Cellular Growth (9.1)

9.1 Cellular Growth Ratio of ________ ________ to ________ Chapter 9 Cellular Reproduction Why Do Cells Need to Divide?

Cellular Reproduction  As the cell grows, its volume increases much ________ ________ than the surface area.  The cell might have difficulty getting enough ________ ___ and getting enough ______ ___.  The cell might have difficulty ____________ instructions across long distances within a large cell. Chapter Cellular Growth If a cell gets too large… Why Do Cells Need to Divide? – Cont’d

The Cell Cycle  Cell division ____________ the cell from becoming too large.  It also is the way the cell reproduces so that you ______, heal certain injuries, & replace worn out cells. Cellular Reproduction  Cells reproduce by a cycle of growing and dividing called the ________ ________. Chapter Cellular Growth

 __________ is the stage during which the cell grows, carries out cellular functions, and replicates.  __________ is the stage of the cell cycle during which the cell’s nucleus and nuclear material divide. Cellular Reproduction Chapter Cellular Growth  __________ is the method by which a cell’s cytoplasm divides, creating a new cell. The Cell Cycle – Cont’d

Cellular Reproduction Interphase – Stage G 1  The first stage of interphase, G 1  The cell is ____________, carrying out normal cell functions, and preparing to replicate DNA. Chapter Cellular Growth

Cellular Reproduction Interphase – Stage S  The cell ______ ______ ______ in preparation for cell division. Chapter Cellular Growth

Cellular Reproduction Interphase – Stage G 2  The cell __________ for the division of its nucleus. Chapter Cellular Growth

9.1 Cellular Growth & Regulation Cellular Reproduction Normal Cell Cycle  Different __________ including cyclins time and control the life & activities of the cell.  The cell cycle has built- in ____________ that monitor the cycle and can stop it if something goes wrong. Chapter 9

Cellular Reproduction Abnormal Cell Cycle: Cancer  Cancer is the ____________ ________ and division of cells.  Cancer cells can kill an organism by crowding out normal cells, resulting in the loss of tissue function. Chapter Cellular Growth & Regulation

Cellular Reproduction Causes of Cancer  The changes that occur in the regulation of cell growth and division of cancer cells are due to ____________.  Various environmental factors can affect the occurrence of cancer cells. Chapter Cellular Growth & Regulation