Biochemistry: Biological Molecules Pg. 2 – 7 Carbohydrates Pg. 8 – 12 Proteins Pg. 13 – Lipids Carbohydrates. L.O. 1.1 and 1.2 Carbohydrates are sugars and they are the primary source of energy for our vital functions such as breathing and sleeping. There are two types of carbohydrates‚ simple and complicated. Monosaccharides‚ disaccharides and polysaccharides. L. O. 1.2 Carbohydrates are split into different classifications depending on how many molecules they have. Monosaccharide: one sugar
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Name Class Date RNA and Protein Synthesis Information and Heredity Q: How does information flow from DNA to RNA to direct the synthesis of proteins? WHAT I KNOW 13.1 What is RNA? 13.2 How do cells make proteins? 13.3 What happens when a cell’s DNA changes? 13.4 How do cells regulate gene expression? WHAT I LEARNED SAMPLE ANSWER: RNA is a nucleic acid that carries coded genetic information. SAMPLE ANSWER: SAMPLE ANSWER: The bases in DNA—A‚ T‚ G‚ and C—form a four-letter “alphabet” that
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Expressing and Purifying the Recombinant form of Green Fluorescent Protein (rGFP) from the E.coli strain using Ni2+ agarose affinity chromatography technology Abstract The purpose of this experiment was to express and purify the his6-tagged recombinant form of GFP (rGFP) from the organism E.coli using Ni2+ agarose affinity chromatography. The expression of rGFP was confirmed qualitatively using the UV light and was expressed in the E.coli strain BL21 (DE3) (-- removed HTML --) (-- removed HTML
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depending on the way the introns are removed‚ and if there are different amino acids produced during translation in the ribosome‚ then there will be unique proteins created‚ too. This allows there to be more types of proteins in an organism than types of genes in an organism’s genome. Repressor proteins can influence the regulation of protein synthesis by binding to operators (the segments of DNA that act as switches to either allow or prohibit RNA polymerase to create mRNA strands) in an operon
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Ricin is a toxic protein found in castor oil plant seeds. The toxicity of Ricin has been known for centuries and was even used by the KGB government to assassinate Georgi Markov‚ a famous journalist who openly criticized the Soviet Union’s communist regime. The toxicity of ricin is caused by its ability to deactivate ribosomes and halt protein synthesis. Therefore‚ Ricin is categorized as a ribosome inactivating protein (RIP). There are two types of RIPs: type I and type II. Type I RIPs are usually
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Module 2 Section 2 EXPERIMENT: DNA & Protein Synthesis Exercise 1 – Modeling DNA 1. List the four bases which are found in DNA. (1 pt) The four bases found in DNA are cytosine‚ adenine‚ guanine and thymine. 2. Fit any six nucleotides together to form a row‚ then list the six nucleotides in the order you used them. Work with your model pieces and try fitting the bases together to make a double strand as shown in Figure 9 of the lab manual. Which nucleotides form
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The Spectrophotometer Determination Of Protein Concentrations And The Effects Sodium Dodecyl Sulphate And Triton X-100 Have On Protein Concentration. INTRODUCTION Spectroscopy is used as a collective term for all the analytical techniques based on the interaction of light and matter. Spectrophotometry is one of the branches of spectroscopy where we measure the absorption of light by molecules that are in a gas or vapour state or dissolved molecules/ions (Tombs‚ et.al‚ 1959). Spectroscopy is the
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unable to cleave the signal sequence amino acid. B. Band B is the cleavage of the signal sequence by the signal peptidase. The cleavage of the polypeptide weighs less then when the protein was attached to the signal sequence and before it grows in the ER lumen. This is evident from the diagram‚ since lighter proteins move father down the gel than do heavier ones. Given the length
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Protein Article Research John Doe SCI 241 May 17‚ 2012 Jane Doe Protein Article Research This class has been very informative during the past few weeks. We have learned how to count calories‚ read nutrition labels‚ use a tracker to monitor our daily intake‚ carbohydrates‚ and learned about proteins and their effects. According to the readings in the text and the article proteins are the building blocks in the body. I learned that protein is found in all tissues‚ cells and organs of the body
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4.4. Direct determination of saliva proteins Protein contaminated with nucleic acids absorbed the light at wavelength 280 nm and it absorbs much strongly at wavelength 205 nm when it is free from nucleic acids. The UV-visible spectrophotometer was used in determination of saliva proteins (Figure 2.2). Cold trichloroacetic acid (10 % w/v ) was added to the sample‚ centrifuged for 10 minutes to precipitate protein. The absorbance of a known volume
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