CELL – STRUCTURE AND FUNCTION

35 PAGES (9308 WORDS) Zoology Study/Lesson Note

4.1 THE CELL AND CELL THEORY

4.1.1 Landmarks in cell study

4.1.2 The cell theory

4.1.3 The Cell

Two basic types of cells

Differences between Eukaryotic and Prokaryotic cells

Difference between plant cell and animal cell

4.2 COMPONENTS OF THE CELL

4.2.1 Cell membrane (Plasma membrane)

Functions

4.3 THE CYTOPLASM AND THE CELL ORGANELLES

4.3.1 Mitochondria and chloroplast - the energy transformers

4.3.2 Chloroplast

Chloroplast versus mitochondria

Similarities between mitochondria and chloroplasts

4.3.3 Endoplasmic reticulum (ER), golgi body and ribosomes

4.3.4 The microbodies (tiny but important)

1. Lysosomes (lysis = breaking down; soma = body)

Importance of intracellular digestion by the lysosomes

2. Peroxisomes

3. Glyoxysomes

4.3.5 Cilia and flagella (the organelles for mobility)

Centriole

4.4 NUCLEUS (THE HEREDITARY ORGANELLE)

Functions

4.4.1 Nuclear membrane

4.4.2 Chromatin

4.4.3 nucleolus

4.5 MOLECULES OF THE CELL

A. Water

B. Elements necessary for life

C. Biomolecules

4.7 CELL DIVISION

4.7.1 The cell cycle

4.7.2 Kinds of cell division


TERMINAL EXERCISES