1.DNA Structure 2.DNA Topology 3.RNA Structure

What is a flower structure? Draw an example of a flower structure in the box below

1. Please describe the main features of the DNA structure. (10 points) Key features: (1) Double helical structure (4’) (2) Two strands are held together in an antiparallel orientation (3’) by base paring (1’)

3-1 Covalence bond Theory 3-2 Molecular Orbital Theory 3-3 the structure of diatomic molecules

Review -Homology Modeling Identify a protein with similar sequence for which a structure has been solved (the template) Align the target sequence with the template Use the alignment to build an approximate structure for the target

Outline Brief review of protein structure chou -Fasman- predictions Garnier, Osguthorpe and Robson Helical wheels and hydrophobic moments Neural networks Nearest neighbor methods Consensus prediction approaches

1. A brief history of studies on the structrure of the plasma membrane 2. Model of membrane structure: an experimental perspective 3. The chemical composition of membranes 4. Characteristics of biomembrane 5. An overview of the functions of biomembranes

(1) Mitochondria: in all eukaryotic cells The relationship between the structure and function of mit. (2) Chloroplasts: in plant cells The relationship between the structure and function of chl. Mit: Oxidative phosphorylation→ ATP Chl: Photosynthesis→ ATP+NADPH→ Sugar

3.1 Definition of data structure 3.2 Stacks 3.3 Queues 3.4 Linked lists 3.5 Trees 3.6 Postfix expression 3.7 Infix to postfix conversion

❖基本结构 Basic Structure ❖模具类型 Mould Type ❖分型面 Parting Line ❖浇注系统 Feeding System ❖模具等级 Mould Grade