Lecture Connections 27 | Protein Metabolism

... 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 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

... thức cấu tạo là: ĐÁP ÁN: D A CH3-CH(NH2)-COOH B NH2-CH2-CH2-COOH C NH2-CH(CH3)COOH D NH2-CH2COOH TIẾT 27: PROTIT I/TRẠNG THÁI THIÊN NHIÊN LỰC SĨ MÁI TĨC HẠT ĐẬU VI KHUẨN II/CẤU TẠO CỦA PROTIT 1/Thành

Ngày tải lên: 29/12/2015, 22:04

... 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

... I Q TRÌNH TỔNG HỢP PROTEIN TRONG TẾ BÀO Sao mã: Dòch mã HOẠT HỐ AXIT AMIN + ATP ENZIM AXIT AMIN AXIT AMIN HOẠT HỐ UUU UUU ENZIM + AXIT AMIN HOẠT HỐ tARN PHỨC HỢP AXIT AMIN - tARN 5/ ... ho¹t ®éng tỉng hỵp mARN R P O S1 S2 S3 Sao m· mARN mARN Pr«tªin øc chÕ ChÊt c¶m øng A B C Gọi N tổng số nucleotid phân tử AND Số axit amin môi trường cung cấp cho toàn trình giải mã là: N/ (2x3)

Ngày tải lên: 17/09/2013, 05:10

... of PEP-1–HSP27 against brain ischemia A BamH I Xho I T7 term HSP27 PEP-1 His-Tag Lac O T7 Prom MCS Apr PEP-1–HSP27 IacI ori PEP-1–HSP27 His-Tag PEP-1 Control HSP27 B His-Tag HSP27 HSP27 Fig The ... results indicate that transduced PEP-1–HSP27 fusion protein plays a defensive role against cell death induced by oxidative stress in the cells Transduced PEP-1–HSP27 protects against...

Ngày tải lên: 18/02/2014, 17:20

... 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

... Experimental procedures Maize mutants Seeds of the mutant genotypes opaque (o1 and o2) and floury (fl1 and fl2) and the respective wild type, Oh43 +, were kindly provided by the Maize Genetics Cooperation ... present in opaque (o), floury (fl) and wild-type (+) endosperms The amounts of SAA and NPN were of the same magnitude for the wildtype inbred line and al...

Ngày tải lên: 23/03/2014, 15:21