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BCHM 307 Exam 1 Questions with Correct Verified Answers- Latest Update 2024.

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BCHM 307 Exam 1 Questions with Correct Verified Answers- Latest Update 2024.

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BCHM 307 Exam 1/ Questions with Correct Verified Answers-
H H H H H H H H



Latest Update 2024.
H H H




AllHaminoHacidsHareHbasedHuponHtheHsameHgeneralHstructureHwhichHincludesH-HANSWERH-
HanHalphaHcarbon,HanHaminoHgroup,HaHcarboxylHgroupHandHaHRHgroup




ThereHareH4HdifferentHsubstituentsHattachedHtoHtheHalpha-carbon,HthusHmostHaminoHacidsHareHHHHH .
isHth
eHonlyHexceptionHbecauseHitsHRHgroupHisHH.H-HANSWERH-Hchiral;HgLYCINE



AminoHacidsHhaveHtwoHpossible -HANSWERH-Hstereoisomers



EnantiomersHareHaHparticularHtypeHofHstereoisomersHthatHare -HANSWERH-
HmirrorHimagesHofHoneHanother




AminoHacidsHcanHbeHeither (exceptHglycine)H-HANSWERH-HDHorHLH-Henantiomers



ProteinsHareHmadeHfrom aminoHacidsH-HANSWERH-HL



D-HaminoHacidsHareHfoundHin -HANSWERH-
HbacterialHcellHwallsHandHsomeHantibioticsHbutHareHrelativelyHrareHinHnature




HydrophobicH(nonpolar)H-HANSWERH-H-Alanine

-Valine

-Leucine

-Isoleucine

-Proline

- Methionine




pg.H1

,- Phenylalanine

- Tryptophan

-Glycine



Polar,HunchargedH-HANSWERH-H-Serine

- Threonine

-Cysteine

- Tyrosine

- Asparagine

-Glutamine



Polar,HchargedH-HANSWERH-H-AsparticHacid

-GlutamicHacid

- Lysine

- Arginine

- Histidine



OrganismsHthatHcanHmakeHallHofHtheH20HaminoHacidsH-HANSWERH-Hbacteria,Hyeast,HandHplants



SomeHaminoHacidsHareHmadeHdirectlyHfromHcommonHmetabolicHintermediates..HalanineHisHmadeHfrom -
HANSWERH-Hpyruvate




SomeHaminoHacidsHareHmadeHasHproductsHfromHlongHandHcomplexHpathways..HaromaticHaminoHacidsHfro
mHthe -HANSWERH-HshikimicHacidHpathway



TheHessentialHaminoHacidsH-HANSWERH-H1.HArginine

2. Histidine

3. Isoleucine

4. Leucine




pg.H2

, 5. Lysine

6. Methionine

7. Phenylalanine

8. Threonine

9. Tryptophan

10. Valine



PathwaysHleadingHtoHessentialHaminoHacidsHareHgoodHtargetsHfor -HANSWERH-Hherbicides



GlyphosphateH(Roundup)HisHanHinhibitorHof ,HanHenzymeHofHtheHshikimicHacidHpathwayH-HANSWERH-
HEPSPHsynthase




GlyphosphateHblocks -HANSWERH-HBlocksHtheHproductionHofHaromaticHaminoHacids



AscorbicHacidH(vitaminHC)HisHrequiredHforHtheHproductionHofH-HANSWERH-
HHydroxyprolineHandHhydroxylysine,HbothHofHwhichHareHfoundHinHconnectiveHtissue




AHdeficiencyHinHVitaminHCHisHknownHas -HANSWERH-Hscurvy



AcidsHareHproton ,HandHbasesHareHproton -HANSWERH-Hdonors,Hacceptors



AcidsHdissociateHinto andHaHconjugate -HANSWERH-Hprotons,Hbase



BasesHassociateHwith toHbecomeHtheirHconjugate -HANSWERH-Hprotons,Hacids



WhyHareHacid/baseHpropertiesHimportant?H-HANSWERH-
HBecauseHmanyHbiochemicalHcompoundsHareHeitherHacidsHorHbasesHorHbothHtheyHcanHinfluenceHtheHrelativeH

abundanceHofHprotonsHinHtheHcell



Similarly,HtheHrelativeHcontentHofHprotonsH(H+)HinHsolutionHdictatesHpHHwhichHinHturnHdictatesHtheHionizatio
nHstateHofHbiologicalHmolecules.



pg.H3

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