-othapy denotes a disease or disorder. A proteinopathy is any disease caused by a malformed protein. 2. Where are tau proteins found? What do they do here? Tau proteins are found inside of nerve cells. Tau proteins perform the function of stabilizing microtubules. 3. What is an isoform? How many tau isoforms are there in the brain? An isoform is a protein that has the same function as another protein but is encoded by a different gene and may have small differences in its sequence. There are
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applied to the understanding of biological polymers and lipid membranes. The emphasis is on properly linking monomers and their polymers‚ and on the structural and functional diversity of the different polymer types. Particular attention is given to protein structure‚ because this is central to understanding subsequent chapters on metabolism‚ molecular biology‚ and molecular medicine. Multiple-Choice Questions 1) Humans and mice differ because A) their cells have different small organic molecules
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These chemicals are the basic living materials that a cell needs. Organelles are the various components of a cell with a specific structure and function and are linked to miniature organs. These include: Mitochondria: These are small components within cells that perform different important functions in order to keep the body healthy. They make the energy that cells need to do to work correctly. An example of this is brain cells which need a large amount of energy in order to communicate with other
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ABCT 1101/ABCT1D04 Introductory Life Science INTRODUCTORY LIFE SCIENCE At our 3rd lecture‚ we want to discuss • The building blocks of biological organisms – Carbohydrates‚ proteins‚ lipids and nucleic acids • Cell structure and function – Cell membrane‚ ER‚ Golgi‚ cytoskeleton‚ nucleus – Plant cell vs. animal cell Simple Chemistry for Life Science • Each element consists of one kind of atom. – An atom is the smallest unit of matter that still retains the properties of an element
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Name the 4 main Organic Molecules in Biochemistry. Describe each one‚ and provide an example. What are the “building blocks” of each molecule? For example‚ protein = Amino Acid. • Proteins - monomers are amino acids and proteins are used for various reasons in cell such as structure‚ defense‚ modification. An example of a protein is hemoglobin that red blood cells used to carry oxygen. • Carbohydrates - monomers are monosaccarides with the general formula of CH20. Carbohydrates can
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initiation codon and it initiates the translation process‚ which is necessary for formation of a protein. The last codon is known as a Stop codon as it stops the translation process to end the addition of amino acids to protein chain. In absence of Stop codon the protein formation is never completed as there would uninhibited addition of amino acids. What meaning do these mRNA codons have for protein synthesis? Explanation: The mRNA codon sequences specify for respective amino acid. More than
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com/od/geneticsglossary/g/DNA.htm"DNA or RNA) enclosed in a protein shell or coat. Viruses are extremely small‚ approximately 15 - 25 nanometers in diameter. Viruses: Genetic Material Viruses may have double-stranded DNA‚ double-stranded RNA‚ single-stranded DNA or single-stranded RNA. The type of genetic material found in a particular virus depends on the nature and function of the specific virus. The genetic material is not typically exposed but covered by a protein coat . The viral genome can consist of a
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proximity. An example would be a nerve cell releasing neurotransmitters. In autocrine signaling the cell that produces the ligand also contains the receptor for that ligand. This is how cancer cells work. In signaling by plasma membrane attached proteins‚ the target cell does something in response to direct contact from the signaling cell. 2) List examples of 1) steroid hormones and 2) amino acid derivatives that act as ligands. What are the catecholamines‚ and which amino acid are
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genetic information from DNA to protein in eukaryotic cells is called the central dogma of biology. The role of RNA in protein synthesis is extremely important as protein synthesis could not occur without RNA. Three forms of RNA exist solely to create proteins. Through a process known as translation‚ RNA constructs the proteins necessary to sustain life. Spliceosomes Process pre-mRNA by splicing out intronic nucleic acids producing mRNA which is then translated to protein in ribosomes. Codons are three
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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 dry hair needs extra nourishment
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