A group of cells with a common origin performing a specific function is a tissue. A. Plant Tissues
Large and central in plants; small or absent in animals. ssc biology chapter 2 hand note exclusive
Composed of neurons; transmits impulses throughout the body. 5. Tips for the SSC Board Exam A group of cells with a common origin
Biology can feel like a mountain of terms, but Chapter 2 () is the foundation of everything. Whether you are prepping for your school finals or the SSC board exam, these hand notes are designed to simplify complex structures into digestible points. 1. The Living Cell: The Basic Unit of Life Composed of neurons; transmits impulses throughout the body
Contains DNA/Chromatin. It controls all cellular activities. 3. Plastids: The Color Producers Plastids are unique to plant cells and come in three types:
Covers the body surface and lines organs (e.g., skin).
Secretes enzymes and hormones and packages materials into vesicles.