Velazquez on the subject of amino acids and how they relate to athletics. The authors believe body builders commonly go overboard in their quest for muscular bodies and neglect key ingredients necessary for muscle production. This relates to amino acids because the authors suggest that athletes frequently leave out fats and proteins made from amino acids. The authors state that using amino acids and vitamins can prevent muscle breakdown. “Five grams of the amino acid leucine taken before and
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What are the central ideas of Cells? • What are cells? – Cells are the smallest basic unit of living things. • What do they do? – Cells take in raw materials and making new substances. • Why do they do this? – In cells‚ organelles carry out activities to keep the organism alive. – E.g. synthesising proteins and fats‚ releasing energy from glucose. What are the central ideas of Movement of Substances? • What processes describe how substances move from one region to another? –
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evolution than DNA * The organism’s survival depends on the protein being functional‚ which means having the proper amino acids sequence * Since the genetic code is degenerate‚ many different DNA sequences will give identical proteins. * The protein 3-dimensional structure is even more conserved‚ because it is more closely related to enzyme activity than the amino acid sequence is. BLAST * standard sequence alignment tool (BLAST = Basic Local Alignment Search Tool) * BLAST
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Urine Disease or MSUD is a genetic amino acid disorder in which body isn’t able to break down the amino acids found in proteins such as leucine‚ isoleucine and valine. MSUD is also referred to as branched chain ketoaciduria. BCKADs or Branched-Chain Alpha-Keto Acid Dehydrogenase are enzymes that break down those amino acids. This causes the urine to smell like maple syrup. When these amino acids build up in the blood they cause complications. These amino acids are found in foods like beans‚ cheese
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is keratin‚ an agglomeration of proteins which are themselves polymers built from amino acids. Amino acids are some of the most important building blocks used in nature‚ to construct larger molecules. Another type of building block is the nucleotides‚ each of which consists of three components: either a purine or pyrimidine base‚ a pentose sugar and a phosphate group. These nucleotides‚ mainly‚ form the nucleic acids. Besides the polymeric biomolecules‚ numerous small organic molecules are absorbed
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CHAPTER 1 Introduction Background of the Study Like many other hygiene convenience‚ shoe polish or can also be called boot polish is usually a wax ‚ cream or paste used by people to shine‚ water proof and restore the appearance of leather shoes. This extends the footwear’s life. This is made up of many kinds of chemicals and because of this; it can cause irritations‚ allergies to us. In our generation‚ shoe polish is used every day and companies produce a lot of it to meet the demands of
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Protein Structure Study Guide 1. Draw the structure of a peptide bond between two amino acids. Why is it said that the C-N bond has a partial double bond structure. Draw the resonance states of the double bond. Between each amino acid residue is a C=O and N-H bond. Due to the double bond that C=O has it is a good accepter for hydrogen bonding‚ while N-H is a good donor for hydrogen bonding. The C=O bonds and the N-H bonds both are used to stabilize the protein sequence. [pic] 2.
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Biology Exam Review Unit One – Biochemistry What is an isotope? Isotope - An isotope is all atoms of the same element that have the same number of protons‚ but they may have different numbers of neutrons in the nucleus. - This means that all atoms with the same atomic number can have different atomic masses. - Because they have the same number of protons and electrons‚ they behave exactly the same in chemical reactions. Radioisotope - The nuclei of some isotopes of an element are unstable
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consisting of monomers called amino acids‚ which are made up of carbon‚ hydrogen‚ oxygen and nitrogen. Amino acids are made up of an amino group‚ an R group a carboxyl group and an alpha carbon‚ the different R groups of each individual amino acids determines which amino acid they will form. Amino acids bond through covalent peptide bonds this occurs via a condensation reaction‚ which is when one amino acids hydrogen & oxygen (carboxyl group) and another amino acids hydrogen (amino group) react releasing
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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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