PPT-Block 1B – Cell division, cell diversity and cellular organisation 2.1.6

Mitosis PAG 11 Foundations in Biology spec Mitosis and Cell Cycle Learning Objectives Collection and presentation of data Produce a root tip squash Use a light microscope to produce annotated drawings of the stages of mitosis. . Repair and Growth. Reproduction. Asexual. : process in which a single cell or set of cells produces offspring that inherit all their genetic material from one parent . Sexual. : process in which genetic material from two parents combines and produces offspring that differ genetically from either parent . Mitosis. History . of Understanding Cancer. Rudolf Virchow (1821-1902) – First to recognize leukemia in mid-1800s, believing that diseased tissue was caused by a breakdown within the cell and not from an invasion of foreign organisms.. The Nucleus: the gene-containing control center of the cell.. The nucleus is bound by a double membrane called the . nuclear envelope. . . Inside the nucleus are one or more small, dark-staining, essentially round structures called . Chapter 10. Limits to Cell Size. Cells grow as the organism grows.. However cells only grow to a certain extent then divide. Why?. . - The larger the cell the more demands on its . dna. . - a large cell has more trouble moving food in and waste out. Chapter 10. In Your Notebook. Materials move through cells by diffusion. Oxygen and food move . into cells. , while waste products move out of cells. How does the size of . a cell . affect how . efficiently . Future. Victor Matos. Cleveland State University. Universidad de Costa Rica. 2. 2. 2. 1. Android – How-do-cellular-phones-work. What is a Cellular Phone?. 2. Oversimplifying. specialized cells organized into a cellular community.. When an organism requires additional cells, either for growth or to replace those normally lost the cell most be divided . Cell division, or proliferation . Chapters 12, 13, 16, 17. Limits to Cell Growth. The larger a cell becomes, the more demands a cell places on its DNA. If extra copies of DNA are not made, an “information crisis” would occur. The cell also has more trouble moving nutrients and wastes across the cell membrane. ANA 205. 2. Differentiation. - development of a fertilized egg cell to form a complex, multicellular organism involving cellular replication, growth and progressive specialization for a variety of functions. . Acknowledgement. I would like to express special thank of gratitude to our respected principal madam, Mrs. . Kuljit. . Kaur. , for giving us this unique opportunity to express ourselves in a creative way. When does the DNA replicate?. What are the four stages of Mitosis?. What is the end result of Mitosis?. What occurs after Mitosis?. BLOCK . 1/5 . – . 1/6. Thursday . 1/7/2016. What are somatic cells?. Contain genetic information – DNA. DNA is arranged in segments called . genes. Determine characteristics, or traits . Humans have 46 chromosomes in their cells – 23 from each parent. Chromosomes . for Pickup Position Recommendation . at Black-hole. Shuli Zhu. 1. , . Lingkun. Li. 1. , . Xuyu. Wang. 2. , . Changcheng. Liu. 3. , Yuqin Jiang. 3. , . Zengwei. Huo. 3. ,. Hua Chai. 3. , . Jiqiang. This theory . is . one . of the foundations . of . biology.. 2. Antonie . van. . Leeuwenhoek. The first man to witness . a . live cell . under a . microscope was Antonie . van . Leeuwenhoek, who .