the proper activation of G2/M cell cycle genes (Georlette et al.‚ 2007). The results of several other experiments lead our lab to suspect that Myb is involved in facultative heterochromatin stabilization. Chromatin‚ made up of DNA and associated proteins‚ can be euchromatic or heterochromatic; euchromatin is mainly associated with active transcription‚ whereas heterochromatin is associated with repressed transcription. Active euchromatin and repressive heterochromatin are established by post-translational
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categories of organic compounds Ruddy Severino There are four major compounds that compose the human body. It is impossible that anything living on earth today can live out these organic compounds. Those compounds are carbohydrates‚ lipids‚ proteins‚ and nucleotides. Each compound has a major important function that is essential to the human body as well as other living organisms on earth. Carbohydrates serve as the main source of energy. Carbohydrates contain carbon‚ hydrogen‚ and oxygen
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ethylene production through changes in ACS gene expression levels and the stability/activity of the enzyme. ACS proteins can be divided into 3 groups (type-1‚ 2 & 3) based on their C-terminal domain and the presence of phosphorylation sites. Type-1 and -2 ACS isoforms contain phosphorylation sites for kinases‚ but type-3 lacks of the phosphorylation sites.
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Relevance of Ricin and Ribosomes Most foods from the four food groups contain protein. Protein is manufactured by the ribosome. In contrast to ribosomes‚ ricin breaks up proteins and blocks protein synthesis. In that perspective‚ ribosomes can be seen helpful and ricin as useless and lethal to a somatic cell. Luckily‚ since ricin can stop protein synthesis‚ ricin is being experimented to block diseases’ protein synthesis. After blocking the disease cells‚ ricin needs to be controlled from harming
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Denaturation is the alteration of a protein shape through some form of external stress (for example‚ by applying heat‚ acid or alkali)‚ in such a way that it will no longer be able to carry out its cellular function. See also: Plants & Animals Cell Biology Genetics Molecular Biology Matter & Energy Biochemistry Organic Chemistry Thermodynamics Denatured proteins can exhibit a wide range of characteristics‚ from loss of solubility to communal aggregation. Proteins are very long strands of amino
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cells share; however‚ there are also important differences among various cell types (for example‚ animal cells vs. bacterial cells) • [Figure 3-23] The inside of a cell is loaded (crowded‚ packed) with molecules including RNA‚ ribosomes and proteins. o A cell is already packed‚ even with these few components; without even considering other organelles and components present in cells‚ the cell is already crowded; crowding changes the behavior of cellular components • Many different
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category: * The respondents felt that herbal shampoos need to be used in large quantity for lather and that the protein content is important for making hair strong‚ shiny and soft. * Respondents chose their shampoo based on their hair type and texture. * They feel that protein by no means is harmful for their scalp or skin. * They reported that most of the herbal shampoos are rich in protein and also felt that hair oil is better than shampoos for thicker‚ longer and darker hair. * They reported that
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to produce energy which are carbohydrates‚ lipids‚ proteins‚ and alcohol which is not considered a basic nutritional component of food. Protein is a compound that’s made up of amino acids that are joined by peptide bonds. It is considered the most important molecule which can come in two forms‚ complete proteins and incomplete proteins. A complete protein includes all of the amino acids that we humans can’t produce ourselves. An incomplete protein only includes small proportion of one or more amino
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What is the minimum you need to know about proteins 1. Made of long strings of amino acids 2. 20 amino acids all with different properties‚ hydrophobic‚ hydrophyllic polar‚ and hydrophyllic charged (+) and (-) 3. Two amino acids (AA)are linked by dehydration synthesis 4. Primary‚ secondary‚ tertiary and quaternary structures 5. Proteins can be enzymes‚ cell signals‚ structural or hormones 6. A protein has direction‚ the first is the N terminus where you find an amino group. The last is the
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into messenger RNA through transcription and translation. DNA is split through transcription and then it is translated to match into RNA. 2 How is the RNA molecule a “script” for the protein production process? RNA is a script for the protein production process because they set the RNA up to translate into a protein. 3 What is the function of hemoglobin in the body? Hemoglobin functions in the body by giving oxygen to the blood. Conclusion 3.2.2 4 Describe (in words) the effect of the mutation.
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