CIE A Level Biology复习笔记2.3.5 Haemoglobin
The Molecular Structure of Haemoglobin Structure Haemoglobin is a globular protein which is an oxygen-carrying pigment found in vast quantities in red blood cells It has a quaternary structure as t...
CIE A Level Biology复习笔记2.3.4 Globular & Fibrous Proteins
Proteins: Globular & Fibrous Globular Globular proteins are compact, roughly spherical (circular) in shape and soluble in water Globular proteins form a spherical shape when folding into their ...
CIE A Level Biology复习笔记2.3.3 Protein Shape
Proteins: Interactions & Shape A polypeptide chain will fold differently due to the interactions (and hence the bonds that form) between R groups. The three-dimensional configuration that forms...
CIE A Level Biology复习笔记2.3.2 The Four Levels of Protein Structure
Proteins: Structures There are four levels of structure in proteins, three are related to a single polypeptide chain and the fourth level relates to a protein that has two or more polypeptide chain...
CIE A Level Biology复习笔记2.3.1 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...
CIE A Level Biology复习笔记2.2.8 Phospholipids
The Vital Role of Phospholipids Structure Phospholipids are a type of lipid, therefore they are formed from the monomer glycerol and fatty acids Unlike triglycerides, there are only two fatty acids...
CIE A Level Biology复习笔记2.2.7 Triglycerides
Triglycerides: Basics Lipids Macromolecules which contain carbon, hydrogen and oxygen atoms. However, unlike carbohydrates lipids contain a lower proportion of oxygen Non-polar and hydrophobic (ins...
CIE A Level Biology复习笔记2.2.6 Cellulose
Cellulose: Structure & Function Cellulose is a polysaccharide Polysaccharides are macromolecules that are polymers formed by many monosaccharides joined by glycosidic bonds in a condensation re...
CIE A Level Biology复习笔记2.2.5 Starch & Glycogen
Starch & Glycogen: Structures & Functions Starch and glycogen are polysaccharides Polysaccharides are macromolecules that are polymers formed by many monosaccharides joined by glycosidic bo...
