PPT-Introduction to the Cell Cycle

Why do cells need to divide As cells grow larger they start to face several difficulties in functioning Growth amp Repair In order for multicellular organisms to grow cells must divide If cells are lost due to injury or damage to DNA . Page 250 & 251 . . 50 000 of the cells in your body will be replaced with new cells, all while you read this sentence.. Review of cell cycle. In . multicellular. organisms, . cells divide for . Section 5.1. 1. Objectives. SWBAT describe the stages of the cell cycle.. SWBAT compare rates of division in different types of cells.. SWBAT identify factors that limit cell size.. 2. Starter. Why do you always have to cut your hair, your fingernails, and the lawn?. Why do cells need to divide?. Growth and development. You started as 1 cell and now you’re made up of roughly 40 TRILLION cells. Repair and regeneration of tissue. Reproduction. What happens when cells divide? . simpler. Ex: the flu. A virus with this type of cycle makes you sick right away. What about the other type of life cycle?. The . Lysogenic. Cycle. The . lysogenic. cycle is slower and more complex. Unicellular organism- cell division reproduces . an entire . organism. Multicellular. organisms- cell . division . can . produce . growth or progeny. Cell . division functions in reproduction, growth, and repair. La gamme de thé MORPHEE vise toute générations recherchant le sommeil paisible tant désiré et non procuré par tout types de médicaments. Essentiellement composé de feuille de morphine, ce thé vous assurera d’un rétablissement digne d’un voyage sur . Ms. McCabe. Do Now Cells Quiz 20 Points. Skipping lines, number 1-10. Name, Date, Period. The title is: . Cell Quiz. Answer 1-5 in complete sentences. For 6-10, write the word . and. the matching definition. The Mitosis Puzzle. Lay blank sheet lengthwise .. Write Interphase, Prophase, Metaphase, Anaphase, & . Telophase. across the top of the sheet.. Cut out the cell diagrams and tape/glue them across the top under the appropriate phase label.. . During the cell cycle, a cell grows, prepares for division, and divides to form two identical daughter cells, each. of which then begins the cycle again.. The series of events that cells go through as they grow and divide.. Cell Cycle - a cycle of growth, development, and division. This is how organisms grow, produce new cells, and replace old cells. The cell cycle occurs in 2 phases: Interphase and . Mitosis. The Cell Cycle: Interphase. 7/22/2009 Cells divide to increase their numbers through a process of mitosis, which results in two daughter cells with identical sets of chromosomes. As you grow from an infant to an adult, you pass Variation of length of cell cycle. In humans, the frequency of cell turnover . varies. E. arly embryonic development. (Few hours ). E. pithelial cells (2-5 days). Specialized cells. (. cortical neurons or cardiac muscle cells. Interphase. Mitosis. Prophase. Metaphase. Anaphase. Telophase. Cytokinesis. Interphase. Longest phase of the cell cycle. Cell grows to mature size. Replicates DNA. Prepares for division. Mitosis. Mitosis is the process of cell . Unit 1 – Cells and Proteins. Advanced Higher Biology. Miss Aitken. Why is controlling the cycle important?. Complex events must work perfectly to produce new daughter cells. Mutations can occur if events do not go to plan.