types of amino acids: 1) those with electrically charged side chains; 2) those with polar side chains; and 3) those with nonpolar side chains. A) True B) False2.All amino acids share a common “backbone”. Which chemical component (or components) is part of the backbone of an amino acid? A) An amino group (NH2) B) A carboxyl group (COOH) C) A hydrogen atom D) A central carbon atom that is commonly called an α-carbon atom E) All of the above3.Suppose that we link 100 amino acids together.
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CAU CGG UGA Translation (amino acid sequence): Met (Start) Gly Asp His Arg Stop Mutated gene sequence one: 3’-T A C G C T T T A G T A G C C A T T-5’ Transcription (base sequence of RNA): AUG CGA AAU CAU CGG UAA Translation (amino acid sequence): Met(Start) Arg Asp His Arg Stop Mutated gene sequence two: 3’-T A A C C T T T A C T A G G C A C T-5’ Transcription (base sequence of RNA): AUU GGA AAU GAU CCG UGA Translation (amino acid sequence): Ile(Start)
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Biology: Concepts and Connections‚ 6e (Campbell) Test Bank (1) Part (1) Chapter 1 Introduction: The Scientific Study of Life 1) Which of the following statements about the leopard is false? A) Leopards are the largest cat in the genus Panthera. B) Leopards‚ like lions‚ can roar. C) Leopards prefer to eat their kill in trees. D) Leopards are well-adapted for nocturnal hunting. E) Leopards are normally solitary animals. Answer: A Topic: Opening Essay Skill: Factual
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LEDs… Release only ONE color of light Produce very little heat What is an LED? They are semiconductor devices that can convert electrical energy directly into light due to the nature of the bonding that occurs in the semiconductor solid. Type of bonding is directly related to conductivity of solid. Bonding in Elemental Solids Electronegativity – the ability of an atom to attract electrons to itself. Atoms with low e.n. (metals) don’t hold valence electrons tightly valence
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Chapter 3 Molecules of Life I. Carbon 1. 6 electrons- (4 valence) has the ability to bond with 4 other elements 2. Hydrocarbons- (contains only C & H) 3. Asymmetric carbon- attached to 4 different atoms or groups of atoms II. Isomers - Compounds having the same molecular formula but different structure and properties 1. Structural- differ in covalent arrangement of their atoms and may differ in location of double bonds 2. Geometric- same structure different arrangement 3. Enantiomer/stereoisomer
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Separation of Amino Acids by Cation Exchange Chromatography Introduction and Purpose: Amino acids are small biomolecules that have a carboxylic acid backbone in common‚ as well as an amino group attached to a saturated carbon. There are many amino acids‚ but there are 20 most commonly know amino acids. Amino acids are the fundamenta building blocks of other biomolecules like proteins and ezymes (Davidson‚ 2015). This experiment examined a mixture of 3 amino acids. The purpose of this experiment
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organic molecule type hold a specific type of functional group. Functional groups in different biological molecules play a significant role in the bio-molecules formation such as protein‚ DNA‚ sugars‚ amino acids‚ lipids and carbohydrates. Functional groups include the carbonyl‚ methyl‚ hydroxyl‚ amino‚ phosphate‚ and sulfhydryl. These are frequently found in atomic groups that covalently bond to the carbon in most organic molecules. The distinctive functional groups existent on a biological molecule
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supplements. In our study we had four testing reagents (Lugol’s which tests for starch‚ Biuret tests for protien‚ Benedict’s that tests for reducing sugars‚ and Ninhydrin which detects amino acids) and four stock solutions at various concentrations (protein in the form of albumin‚ glucose for the sugars‚ amino acid through glycine and just basic starch). We tested each of these with our three unknowns (which were the three separate protein supplements). Mixing each individual supplements with all
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transfer RNA (tRNA) which transfers a specific active amino acid to a growing polypeptide chain at the ribosomal site of protein synthesis during translation. Each tan ball in the diagram represents an amino acid. The multi-color “piano keys’ represent the four nucleotide bases A‚ G‚ T‚ and C. In the (first) upper stand the A‚ G‚ T‚ and C bases are grouped into a sequence of three‚ called a triplet. Each triplet specifies a particular amino acid. The second strand contains RNA which differs from DNA
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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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