CHAPTER 1

Notes

CHAPTER 1 1. Study the process and stages of cell division in which one cell divides into two identical daughter cells. cell Division – Mitosis (Eukaryotic Cells) • Process: One eukaryotic cell divides to form two identical daughter cells. • Purpose: To produce genetically identical cells for growth, repair, or maintenance. • Features: • Each daughter cell receives an exact copy of the DNA • Maintains chromosome number (diploid to diploid) 2. Understand the role of inflammation in our immune response. Inflammation is a vital part of the innate immune response, which is the body’s natural defense mechanism present at birth. Here’s how it operates: 🛡️ Purpose and Process • Triggered by: Dilatation (widening) of blood vessels • Key actions: • Infiltration of the infected site by antibodies and white blood cells (WBCs) • These immune cells work together to destroy invading microbes • Leads to redness, swelling, and pain — classic signs of inflammation ⚔️ How It Supports Immunity • Kills microbes directly • Initiates inflammatory symptoms that help isolate infection • Signals the adaptive immune response — essentially calling in the specialized immune forces (like T cells and B cells)...