Ssc Biology Chapter 2 Hand Note Exclusive [2021] Jun 2026

SSC Biology Chapter 2 Hand Note Exclusive: Cells and Tissues

The site of Krebs cycle and oxidative phosphorylation. It generates ATP (Adenosine Triphosphate) and contains its own DNA and 70S ribosomes.

Microscopic channels that facilitate communication and transport between adjacent plant cells. Chromosomes: ssc biology chapter 2 hand note exclusive

Elongated living cells lacking a nucleus at maturity, arranged end-to-end with perforated sieve plates.

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Possess a membrane-bound, well-defined nucleus and highly specialized organelles (e.g., Human and plant cells). Functional Classification

Exclusive to plant cells, bacteria, and fungi. In plants, it is composed of cellulose, hemicellulose, and pectin, providing rigidity and protection. Plasmodesmata: Chromosomes: Elongated living cells lacking a nucleus at

A dense, dark-staining spherical body rich in RNA, responsible for synthesizing ribosomes.

Absent in higher plant cells; present in animal cells to assist in cell division. Key Organelles and Their Functions

Tall, pillar-like cells (e.g., inner lining of the intestine). Functions in absorption and secretion.