IB DP Biology: HL復(fù)習(xí)筆記8.2.3 Glycolysis
Glycolysis Glycolysis?is the first stage of respiration It takes place in the?cytoplasm?of the cell and involves: Trapping glucose?in the cell by?phosphorylating?the molecule Splitting the glucose ...
IB DP Biology: HL復(fù)習(xí)筆記8.2.2 Overview of the Stages of Respiration
Stages of Respiration An overview of respiration Respiration involves the transfer of?chemical potential energy?from nutrient molecules (such as carbohydrates, fats and proteins) into a usable ener...
IB DP Biology: HL復(fù)習(xí)筆記8.2.1 Oxidation, Reduction & Phosphorylation
Oxidation & Reduction Oxidation and reduction are commonly known as?redox reactions These reactions occur at the same time and involve the transfer of electrons between molecules Oxidation?is t...
IB DP Biology: HL復(fù)習(xí)筆記8.1.4 Skills: Rates of Reaction & Types of Inhibition
Calculating & Plotting Rates of Reaction Enzyme catalysed reactions can be affected by changes in?pH, temperature or substrate concentration The?rate of reaction?can be determined by measuring ...
IB DP Biology: HL復(fù)習(xí)筆記8.1.3 Bioinformatics & Metabolism
Bioinformatics: Investigating Metabolism NOS: Developments in scientific research follow improvements in computing: developments in bioinformatics, such as the interrogation of databases, have faci...
IB DP Biology: HL復(fù)習(xí)筆記8.1.2 Inhibition
Enzyme Inhibitors Inhibitors?are chemical substances that can bind to an enzyme and?reduce its activity Inhibitors can be formed from?within the cell?or can be introduced from the?external environm...
IB DP Biology: HL復(fù)習(xí)筆記8.1.1 Metabolic Pathways
Metabolic Pathways Metabolic pathways involve a?series of small steps, each step involves a?chemical change The?enzyme-catalysed?reactions that make up metabolic pathways usually consist of?chains?...
IB DP Biology: HL復(fù)習(xí)筆記7.3.6 Skills: Polysomes & Ribosomes
Identifying Polysomes Translation can occur?simultaneously?at?multiple positions?along mRNA Polysomes?(or polyribosomes) are groups of two or more ribosomes translating?the same mRNA?transcript Mul...
IB DP Biology: HL復(fù)習(xí)筆記7.3.5 Levels of Protein Structure
Primary Structure Levels of Protein Structure Proteins are relatively?large,?complex molecules?that contain?one or more chains?of amino acids known as?polypeptides The?three-dimensional arrangement...
