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Campbell Biology Chapter 4 Flashcards

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5257415036Organic ChemistryThe branch of chemistry that specializes in the study of carbon compounds. They range from simple molecules such as methane, to colossal ones, such as proteins. Most contain hydrogen atoms in addition to carbon atoms.0
5257415037Hydrocarbonsan organic molecule made up of only carbon and hydrogen atoms.1
5257415038Isomersorganic compounds with the same molecular formula but different structure and therefore different properties.2
5257415039Structural IsomersDiffer in the covalent arrangements of their atoms.3
5257415040cis trans isomersCarbons have covalent bonds to the same atoms, but these atoms differ in spatial arrangements due to the inflexibility of double bonds.4
5257415041EnantiomersIsomers that are mirror images of each other and that differ in shape due to the presence of an asymmetric carbon, one that is attached to four different atoms or groups of atoms.5
5257415042Functional GroupsA specific configuration of atoms commonly attached to the carbon skeletons of organic molecules and involved in chemical reactions.6
5257415043Hydroxyl groupA hydrogen atom is bonded to an oxygen atom, which in turn is bonded to the carbon skeleton of the organic molecule.7
5257415044carbonyl groupConsists of a carbon atom joined to an oxygen atom by a double bond.8
5257415045carboxyl groupWhen an oxygen atom is double bonded to a carbon atom that is also bonded to an -OH group.9
5257415046amino groupConsists of a nitrogen atom bonded to two hydrogen atoms and to the carbon skeleton.10
5257415047sulfhydryl groupConsists of a sulfur atom bonded to an atom of hydrogen. It resembles a hydroxyl group in shape.11
5257415048phosphate groupA phosphorus atom is bonded to four oxygen atoms, one oxygen is bonded to the carbon skeleton, two oxygens carry negative charges.12
5257415049methyl groupConsists of a carbon bonded to three hydrogen atoms. The carbon may be attached to a carbon or to a different atom.13
5257415050hydroxyl14
5257415051carbonyl15
5257415052carboxyl16
5257415053amino17
5257415054sulfhydryl18
5257415055phosphate19
5257415056methyl20
5257415057alcoholName of hydroxyl group compound21
5257415058KetoneName of the carbonyl group compound if it is within a carbon skeleton22
5257415059AldehydeName of the carbonyl group compound if it is at the end of the carbon skeleton23
5257415060Carboxylic acidOr organic acid. Name of carboxyl group compound24
5257415061amineName of animo group compound25
5257415062thiolName of sulfhydryl group compound26
5257415063organic phosphateName of phosphate group compound27
5257415064methylated compoundName of methyl group compound28
5257415065hydroxylis polar as a result of the electrons spending more time near the electronegative oxygen atom29
5257415066hydroxylcan form hydrogen bonds with water molecules, helping dissolve organic compounds such as sugars30
5257415067carbonyla ketone and an aldehyde may be structural isomers with different properties, as is the case for acetone and propanal31
5257415068carboxylacts as an acid; can donate an H+ because the covalent bond between oxygen and hydrogen is so polar32
5257415069aminoacts as a base, can pick up an H+ from the surrounding solution33
5257415070sulfhydrltwo of these can react, forming a covalent bond which helps stabilize protein structure34
5257415071phosphatecontributes negative charge to the molecule of which it is a part35
5257415072phosphatemolecules containing this have the potential to react with water36
5257415073methyladdition of this to DNA affects the expression of genes37
5257415074methylarrangement of this in male and female sex hormones affects their shape and function38

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