AQA A Level Biology復習筆記2.3.1 Interphase
Interphase Within multicellular organisms,?not all cells retain the ability to divide Eukaryotic cells that do retain the ability to divide show a cell cycle Mitosis?is part of a?precisely controll...
AQA A Level Biology復習筆記2.2.1 Methods of studying cells
The Principles & Limitations of Microscopy Microscopes?can be used to analyse?cell components?and observe?organelles Magnification?and?resolution?are two scientific terms that are very importan...
AQA A Level Biology復習筆記2.1.1 The Cell Theory
The Cell Theory Until microscopes became powerful enough to view individual cells, no-one knew for certain what living organisms were made from A scientist called?Robert Hooke?is thought to be the?...
AQA A Level Biology復習筆記1.6.1 The Structure of ATP
The Structure of ATP All organisms require a constant supply of energy to maintain their cells and stay alive This energy is required: In anabolic reactions – building larger molecules from ...
AQA A Level Biology復習筆記1.5.1 The Function of DNA & RNA
The Function of DNA & RNA Deoxyribonucleic acid?(DNA) and?ribonucleic acid?(RNA) are both types of?nucleic acid DNA and RNA are both?found in all living cells DNA and RNA are both needed to?bui...
AQA A LEVEL BIOLOGY復習筆記1.4.1 Many Proteins are Enzymes
Enzymes as Proteins Enzymes are?biological catalysts ‘Biological’ because they function in?living systems ‘Catalysts’ because they?speed up the rate of chemical reactions?without being used up or c...
AQA A LEVEL BIOLOGY復習筆記1.3.1 Amino Acids & the Peptide Bond
Amino Acids & the Peptide Bond Proteins Proteins are polymers (and macromolecules) made of monomers called?amino acids The sequence, type and number of the amino acids within a protein determin...
AQA A LEVEL BIOLOGY復習筆記1.2.1 Lipids
Lipids Macromolecules which contain carbon, hydrogen and oxygen atoms. However, unlike carbohydrates lipids contain a lower proportion of oxygen Non-polar?and?hydrophobic?(insoluble?in water) There...
AQA A Level Biology復習筆記1.1.1 Biological Molecules: Key Terms
Biological Molecules: Key Terms There is much variety of life within and between organisms but the biochemical basis of life is similar for all living things The key molecules that are requi...
