Edexcel IGCSE Maths復(fù)習(xí)筆記1.2.1 Recurring Decimals What are recurring decimals? A rational number is any number that can be written as an integer (whole number) divided by another integer When you...
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...
Edexcel IGCSE Maths復(fù)習(xí)筆記1.1.3 Multiplying & Dividing Fractions Dealing with mixed numbers Always turn Mixed Numbers into Top Heavy Fractions before doing calculations Dividing fractions Neve...
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...
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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...
Dealing with mixed numbers Always turn Mixed Numbers into Top Heavy Fractions before doing calculations Adding & Subtracting Adding and subtracting are treated in exactly the same way: Find the...
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What are mixed numbers & top heavy fractions? A mixed number has a whole number (integer) part and a fractioneg. 3 3/4 means “three and three quarters” A top heavy fraction – also called an?imp...
