BSC1005 Chapter 8 Guaranteed Success
1. Beginning of Multicellular Organisms: - ️ Multicellular organisms begin life as a single cell.
2. Growth of Humans: - ️ Humans become trillions of cells because of cellular reproduction.
3. Purpose of Cellular Reproduction: - ️ Continues as we gro...
- ✔️ Multicellular organisms begin life as a single cell.
2. Growth of Humans:
- ✔️ Humans become trillions of cells because of cellular reproduction.
3. Purpose of Cellular Reproduction:
- ✔️ Continues as we grow to replace worn out or damaged tissues/cells.
4. Genetic Material Composition:
- ✔️ The genetic material of organisms is composed of chromatin (which condenses to form
chromosomes).
5. Preparation for Cellular Division:
- ✔️ In preparation for cellular division, chromosomes are duplicated.
6. Duplicated Chromosomes Passed to Daughter Cells:
- ✔️ Each daughter cell receives a full set of duplicated chromosomes.
7. Microscopy and Mitosis:
- ✔️ True: Cellular division can be seen using a microscope during mitosis.
8. Composition of Duplicated Chromosomes:
- ✔️ Duplicated chromosomes are composed of sister chromatids joined at the centromere.
9. DNA in Sister Chromatids:
, - ✔️ Each sister chromatid has identical DNA.
10. Two Important Processes in Cell Cycle:
- ✔️ Growth and cell division (Interphase and M phase).
11. Interphase:
- ✔️ Phase in which the cell grows and duplicates its contents.
12. M Phase:
- ✔️ Phase in which the parent cell's contents divide into two daughter cells.
13. Regulation of Cell Cycle Processes:
- ✔️ Both cell cycle processes are heavily regulated.
14. Stages of Interphase:
- ✔️ G1, S, G2.
15. Stages of M Phase:
- ✔️ Prophase, Metaphase, Anaphase, Telophase.
### Detailed Breakdown of Phases
16. What Happens in G1:
- ✔️ Growth occurs as organelles double, and the cell accumulates materials to prepare to replicate
DNA.
17. What Happens in S:
- ✔️ DNA replication/synthesis occurs (chromosomes duplicate).
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