Lecture Connections 25 | DNA Metabolism

... CHAPTER 25 DNA Metabolism Key topics: – DNA replication – DNA repair – DNA recombination What is DNA Metabolism? • While functioning as a stable storage of genetic information, the structure of DNA ... DNA molecules giving offspring a novel DNA • DNA metabolism consists of a set of enzyme catalyzed and tightly regulated processes that achieve these tasks The Substrate...

Ngày tải lên: 15/06/2017, 20:47

... CHAPTER 26 RNA Metabolism Key topics: – Transcription: DNA-dependent synthesis of RNA – Capping and splicing: RNA processing Overview of RNA Function • Ribonucleic acids ... rRNAs) • RNA polymerase II is responsible for synthesis of mRNA – Very fast (500 – 1000 nucleotides / sec) – Specifically inhibited by mushroom toxin -amanitin • RNA polymerase III makes tRNAs ... some sm...

Ngày tải lên: 15/06/2017, 20:48

... CHAPTER 27 Protein Metabolism Key topics: – The genetic code – Synthesis of aminoacyl-tRNA – Translation: RNA-dependent protein synthesis Protein Synthesis is a Very Complex ... additional protein factors for initiation, elongation, and termination of translation • Involves perhaps 100 additional enzymes that carry out a variety of modifications with many proteins Protein ... Hy...

Ngày tải lên: 15/06/2017, 20:49

... CHAPTER 10 Lipids Key topics: – Biological roles of lipids – Structure and properties of storage lipids – Structure and properties of membrane lipids – Structure and properties of signaling lipids Lipids: ... Lipids • Based on the structure and function • Lipids that not contain fatty acids: cholesterol, terpenes, … • Lipids that contain fatty acids (complex lipids) – Stora...

Ngày tải lên: 15/06/2017, 20:40

... CHAPTER 13 Bioenergetics and Reactions Key topics: – Thermodynamics applies to biochemistry, too – Organic chemistry ... • Cleavage and formation of C–C bonds • Cleavage and formation of polar bonds • Nucleophilic substitution mechanism • Addition–elimination mechanism • Hydrolysis and condensation reactions • ... C-C bonds as shown above Nucleophiles and Electrophiles in Bi...

Ngày tải lên: 15/06/2017, 20:41

... CHAPTER 14 Glucose Utilization and Biosynthesis Key topics: – Harnessing energy from glucose via glycolysis – Fermentation under anaerobic conditions – Synthesis of glucose from simpler ... the polymeric form – Many organisms and tissues can meet their energy needs on glucose only • Glucose is a versatile biochemical precursor – Bacteria can use glucose to build the carb...

Ngày tải lên: 15/06/2017, 20:42

... CHAPTER 16 The Citric Acid Cycle Key topics: – Cellular respiration – Conversion of pyruvate to activated acetate – Reactions of the citric acid cycle – Regulation of the citric acid cycle – ... prosthetic groups are strongly bound to the protein In this case, the lipoic acid is covalently linked to the enzyme via a lysine residue The Citric Acid Cycle...

Ngày tải lên: 15/06/2017, 20:43

... anaerobic catabolism of fats Fatty Acids are Converted into Fatty Acyl-CoA Fatty Acid Transport into Mitochondria • Fats are degraded into fatty acids and glycerol in the cytoplasm • -oxidation of fatty ... Sources of ATP Oxidation of Monounsaturated Fatty Acids Oxidation of Polyunsaturated Fatty Acids Oxidation of Propionyl-CoA • Most dietary fatty acids are even-numbere...

Ngày tải lên: 15/06/2017, 20:44

... CHAPTER 21 Lipid Biosynthesis Key topics: – Biosynthesis of fatty acids and eicosanoids – Biosynthesis of triacylglycerols – Biosynthesis of fatty cholesterol Lipids Fulfill a Variety ... and acetyl-CoA – reducing power from NADPH – location: cytosol in animals, chloroplast in plants Lipid Catabolism and Anabolism in Animal and Plant Cells Overview of Fatty Acid Synthesis • Fatt...

Ngày tải lên: 15/06/2017, 20:46

... CHAPTER 28 Regulation of Gene Expression Key topics: – DNA elements that control transcription – Protein factors that control transcription – Lac operon as a model for regulation – Regulation of protein ... classes of promoters – Allows coordinated expression of different sets of genes • Binding other proteins (transcription factors) to promoters – These recognize prom...

Ngày tải lên: 15/06/2017, 20:50

... Lecture2 5 .doc Page (6) CSN200 Introduction to Telecommunications, Winter 2000 Lecture- 25 Telephone System Types of Switches: There have been major types of telephone switches developed over the ... Winter 2000 Lecture- 25 Telephone System Telephone Switching Facilities: • Switching machines (or "switches") are used to interconnect any pair of subscribers in the public...

Ngày tải lên: 10/12/2013, 08:15

... GENES are long strands of DNA on chromosomes  What is DNA? DNA is the genetic code,  Instructions for heredity,  Components of genes,  Director of protein synthesis   AND- DNA is also A type ... ribosomes  DNA and protein synthesis, then, happens this way:  DNA sequence codes (how letters are put together) produce messenger RNA sequence codes  The messenger RN...

Ngày tải lên: 13/03/2014, 16:36

... domains for its adaptor function, the importin b binding (IBB) domain in its N-terminus and the C-terminal NLSbinding domain In the absence of importin b, an auto-inhibiting part of the IBB domain ... in maintenance of the normal homeostatic function of cells We identified and characterized two types of monopartite nuclear localization sequences of D melanogaster prote...

Ngày tải lên: 15/03/2014, 11:20

... gen DNA sau phân đoạn có đoạn có kích thước nằm phạm vi mong muốn chọn lọc Các đoạn DNA đưa vào vector thích hợp Tập hợp vector chứa đoạn genomic DNA tạo thành thư viện genomic DNA Mỗi đoạn DNA ... đoạn DNA mà chọn vector phage (có thể chứa đoạn DNA dài từ 15-23 kb), cosmid (45 kb) hay BAC (>100 kb) Có thể sử dụng DNA tách từ mô khác để xây dựng thư viện genomic DNA Các thư...

Ngày tải lên: 08/07/2014, 14:20

... marked increase in plasma Ca and iP 2 3 3 3 2 3 3 2 Effect of 1,25-dihydroxyvitamin D3 and induced parturition in cows We thank Dr Azuma Watanabe (Mercian Corporation, Japan) for supplying the ... occurred in one cow of control group within 10 hours of parturition and in another of 1,25(OH) D group at days postpartum These two cows received Ca treatment (an intravenou...

Ngày tải lên: 07/08/2014, 18:21