Species – Organisms capable of interbreeding and producing fertile offspring. Heredity – The passing on of traits from parent to offspring by means of genes Gene Expression – The process of using the information on the gene to make a protein Gene – A unit of DNA which codes for… Continue Reading →
Osmosis – The movement of water molecules from a region of high concentration to a region of low concentration Diffusion – The passive movement of particles from a region of high concentration to a region of low concentration Turgor – The normal rigid state of fullness of a cell as… Continue Reading →
Metabolism – the sum of all chemical reactions that occur in a cell Reactants – substances that participate in a reaction Products – substances that form as a result of a reaction ATP – Adenosine Tri Phosphate. Common currency of energy that carries energy that can be used in many… Continue Reading →
External Respiration – The way in which organisms exchange gases with their surroundings Internal Respiration – The controlled release of energy from food Aerobic Respiration – The controlled release of energy from food using oxygen Glycolysis – The partial breakdown of glucose into a 3 carbon sugar pyruvate. It occurs… Continue Reading →
AMINO ACID – is the basic building block of protein ANABOLIC – a chemical reaction where small molecules join together to make larger molecules e.g. photosynthesis. BIOMOLECULES – are chemicals that make up living things. They are made up of elements such as carbon (C), hydrogen (H), oxygen (O) and… Continue Reading →
Retina – Light sensitive screen at the back of the eye. Optic Nerve – Carries information in electrical form to the brain. Cornea – Together with the lens, it forms part of the focusing system. Iris – Acts like a shutter, controls the amount of light entering. Ciliary Muscle – Changes the shape of the… Continue Reading →
