Ssc Biology Chapter 2 Hand Note Exclusive !free! -

Colored plastids (yellow, orange, red) containing carotenoids. They give color to flowers and fruits to attract pollinators.

Structure of Cell, Cell Organelles, Plant vs. Animal Tissues.

Contain a nucleus enclosed in a nuclear envelope; generally larger and more complex. ssc biology chapter 2 hand note exclusive

Conducts nerve impulses; originates from the Ectoderm . 4. Key Differences for Quick Revision Plant Cell Animal Cell Cell Wall Present (Cellulose) Plastids Vacuole Large and central Small or absent Centrosome Usually absent Exclusive Study Tips

Divided into three types:

Vascular bundles including Xylem (transports water/minerals) and Phloem (transports food). 3. Animal Tissues

Chloroplasts: Green plastids containing chlorophyll, responsible for trapping sunlight to synthesize carbohydrate food. Animal Tissues

The network of long, coiled threads composed of DNA and histones. During cell division, these condense into distinct chromosomes . 3. Plant Tissues: Structure and Classification

Which tissue provides gritty texture to pears? → these condense into distinct chromosomes .