Practical 3: Enzyme Experiments Design of experiments to test the effect of temperature, pH and substrate concentration on the activity of enzymes Three different?independent variables?can be teste...
Immobilised Enzymes Immobilised enzymes are widely used in industry Just before 1900, it was discovered that enzymes could be used to catalyse production of alcohol in the absence of yeast cell Sin...
Structure of Enzymes 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 ...
Molecular Diagrams: Drawing Drawing biological molecules It is important to be able to?draw a few key molecules There is a huge variety of biological molecules, but?only the most important ones?are...
牛津大學要開設(shè)新院系了！ 圖源：牛津大學官網(wǎng) 這所新院系是什么來頭，具體教學什么樣的專業(yè)，更重要的是錄取要求有多高？一起來看看吧~ 牛津大學成立生物系 牛津大學這次新開的院系是生物系（Department?of?Biol...
Functions of Proteins Living organisms synthesize many different proteins with a wide range of functions Proteins are so?versatile?that they have many different roles in cells, tissues and organs A...
Protein structure A protein may consist of a single polypeptide or more than one polypeptide linked together Some proteins exist as a?single polypeptide chain?(of amino acids) Other proteins are ma...
Amino Acids & Polypeptides Proteins Proteins are polymers (and macromolecules) made of monomers called?amino acids The?sequence, type?and?number?of the amino acids within a protein determines i...
Body Mass Index Calculations Body Mass Index (BMI) is a?rough and ready measure?of a person’s mass in relation to their height The calculation of BMI is as follows A BMI below 18.5 is considered?un...
