Diffusion and Osmosis What is diffusion? • The movement of particles from a region of higher concentration to a region of lower concentration Diffusion can take place :•…
CORE TOPIC 1: CELLULAR FUNCTIONS - ULTRASTRUCTURE OF CELLS Content Detailed structure of typical animal and plant cells, as seen under the electron microscope. Outline functions…
PERFECT SCORE BIOLOGY 2009 BAHAGIAN SEKOLAH BERASRAMA PENUH DAN SEKOLAH KLUSTER KEMENTERIAN PELAJARAN MALAYSIA PERFECT SCORE BIOLOGY 2009 PAPER 3 QUESTION 1 …
CHAPTER 2 Cell as a unit of life 2.1 WHAT IS A CELL? A cell is the basic unit of life. Its size is too small to be seen with the naked eye. We need an instrument called a…
1 231/2 BIOLOGY PAPER22010 Pyramid Projections 001 Kenya Certificate of Secondary Education MARKING SCHEME 1. (a) X - Vacuole / Sap vacuole; Y – Tonoplast; Z – Chloroplast;…
2010 2010 2010 Identify the problem Making hypothesis Planning an experiment Controlling variables Collecting data Analysing and interpreting data forming a conclusion 2010…
1. Unit : cells – the basic units oflifeCreated BY: Ms Mwelase 2. HOW to study cells.The study of cells and micro organisms has changed overtime with the change in technology.These…