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BIOMG 3300 Prelim 1 Units 1-5 Questions And Answers 100% Verified.
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BIOMG 3300 Prelim 1 Units 1-5 Questions And Answers 100% Verified.
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BIOMG 3300 Prelim 1 Units 1-5 QuestionsAnd Answers 100% Verified.
R1-R2C=NH n- ncorrect nanswer. n n n nimine
RO-CO-CH3 n- ncorrect nanswer. n n n nacetyl
R-SH n- ncorrect nanswer. n n n nsulfhydryl/thiol
R-CO-SR n- ncorrect nanswer. n n n nthioester
RO-PO2-OH n- ncorrect nanswer. n n n nphosphoryl
hydrogen nbond n- ncorrect nanswer. n n n nan nelectrostatic nattraction nbetween nthe nO nof none
nmolecule nand nthe nH nof nanother
H nmust nbe nbonded nto nF,O,N
H nbond nacceptor n- ncorrect nanswer. n n n na nLP non nan nelectronegative natom
H nbond ndonor n- ncorrect nanswer. n n n nan nH nbonded nto nF,O,N
amphipathic nmolecule n- ncorrect nanswer. n n n nhave nhydrophobic nand nhydrophilic ndomains
hydrophobic nmolecules n- ncorrect nanswer. n n n nnonpolar nmolecules, nnot nsoluble nin nwater
hydrophilic nmolecules n- ncorrect nanswer. n n n npolar nmolecules, ndissolve neasily nin nwater
Micelle n- ncorrect nanswer. n n n na nsphere-shaped ncollection nof namphipathic nmolecules nheld
ntogether nby nhydrophobic ninteractions nin na npolar nsolvent. nThe nhydrophilic nportions nface
nthe nsolvent, nand nthe nhydrophobic nportions nface ninwards, naround na nnonpolar nmolecule.
Purpose nis nto nallow nnonpolar nmolecules nsuch nas nlipids nto ndissolve nin npolar nsolvents
van nder nwaals ninteractions n- ncorrect nanswer. n n n nvariations nin nthe nelectron ncloud naround
nan natom ncan ncreate na ntemporary ndipole. nWeak nattractions nbetween nuncharged natoms
ncan nresult
,When nis na nbuffer nmost nuseful n- ncorrect nanswer. n n n nwhen nthe npH nis n+/- n1 nunit nfrom nthe
npka
When ndoes npH=pka n- ncorrect nanswer. n n n nat nthe nhalf nequivalence npoint. nFor nAAs, nhalf
nwill nbe nprotonated, nhalf ndeprotonated
What nis na nbuffer? n- ncorrect nanswer. n n n na nmixture nof na nweak nacid nand nits nconjugate
nbase. nresists nchanges nin npKa
amino nacids nin nproteins nare nD nor nL? n- ncorrect nanswer. n n n nL. nThey nare nall nS nexcept
ncysteine
L nAAs n- ncorrect nanswer. n n n nhave nthe nNH3 non nthe nleft
which nAA nis nachiral? n- ncorrect nanswer. n n n nGlycine
hydropathy nindex n- ncorrect nanswer. n n n na nnumber nrepresenting nthe
nhydrophobic/hydrophilic nproperties nof nits nside nchain nthe nlarger nthe nnumber, nthe nmore
nhydrophobic nthe nAA
Which nAAs ncan nhydrogen nbond n- ncorrect nanswer. n n n nTHAT nGLASTAG
thr, nhist, narg, ntyr, ngln, nlys, nasn, nser, ntrp, nasp, nglu
Non npolar, naliphatic nR ngroup nAAs n(hydrophobic) n- ncorrect nanswer. n n n nMAP nVILG:
Met, nAla, nPro, nVal, nIle, nLeu, nGly
Aromatic nR ngroup nAAs n- ncorrect nanswer. n n n nPhe, nTyr, nTrp
Positively ncharged n(basic) nAAs n- ncorrect nanswer. n n n nLys, nArg, nHis
Negatively ncharged n(acidic) nR ngroup nAAs n- ncorrect nanswer. n n n nAsp, nGlu
Polar, nuncharged nR nAAs n- ncorrect nanswer. n n n nCAT nSG
Cys, nAsn, nThr, nGln, nSer
R ngroups non nAA nFisher nprojections n- ncorrect nanswer. n n n nalways ndrawn non nthe nbottom
Amino nacids nat nlow npH n(acidic nconditions) n- ncorrect nanswer. n n n nfully nprotonated
Zwitterions n- ncorrect nanswer. n n n nneutrally ncharged namino nacids n(carboxyl nunprotonated,
namino ngroup nprotonated)
groups nget ndeprotonated n- ncorrect nanswer. n n n nwhen npH n>pKa
, uncharged nAA ntitration n- ncorrect nanswer. n n n nlike na ndiprotic nacid, n2 nequivalence npoints.
nCarboxyl nis ndeprotonated, nthen nthe namino ngroup
AA nw/charged nsidechain ntitration n- ncorrect nanswer. n n n nlike na ntriprotic nacid. n3 nequivalence
npoints n(1 nfor nsidechain ndeprotonization)
isoelectric npoint n(pI) n- ncorrect nanswer. n n n nthe npoint nat nwhich nthe namino nacid nis na
nzwitterion n(uncharged). nThe npH nat nthe nfirst nequivalence npoint.
PI nfor na nbasic nAA n- ncorrect nanswer. n n n naverage nof nthe namino ngroup nand nthe nside nchain
PI nfor nan nacidic nAA n- ncorrect nanswer. n n n naverage nof nthe ncarboxyl nand nthe nside nchain
What ntype nof nreactions nform npeptide nbonds? n- ncorrect nanswer. n n n ndehydration; nthe
ncarboxyl nof n1 nAA nis nattacked nby nthe namino nof nanother
Valine n- ncorrect nanswer. n n n nVal, nV, nnonpolar
Leucine n- ncorrect nanswer. n n n nLeu,L, nnonpolar
Threonine n- ncorrect nanswer. n n n nThr, nT, npolar
Serine n- ncorrect nanswer. n n n nSer, nS, npolar
Glutamate n- ncorrect nanswer. n n n nGlu, nE, nacidic
Aspartate n- ncorrect nanswer. n n n nAsp, nD, nacidic
Glutamine n- ncorrect nanswer. n n n nGln, nQ, npolar nuncharged
Asparagine n- ncorrect nanswer. n n n nAsn, nN, npolar nuncharged
Finding noverall ncharge nfor na npolypeptide n- ncorrect nanswer. n n n n1) nwrite nout nthe nsequence
nof nAAs n(starting nwith nthe nN nterminus, nending nwith nC nterminus)
2) nDetermine nthe ncharge nfor nthe nn/c nterminuses nand nthe nR ngroup nat nthe nspecified npKa
3) nadd nup nall nthe ncharges nfor noverall ncharge
Finding nPI nof na npolypeptide n- ncorrect nanswer. n n n n1) nget noverall ncharge nfor npolypeptide
2) nlist nthe npKa nfor neach ncharged nR ngroup nand nN/C nterminus
3) nFind npKa nfor nthe ngroup nwhich nis nthe nlast nto nbe ndeprotonated nbefore nthe npolypeptide
nis nneutral n(starting nat nlow nacid)
4) nTake nthe naverage nof nthat npKa nand nthe nnext nhighest none nto nget nthe npI
When npI>pH n- ncorrect nanswer. n n n nspecies nwill nbe nprotonated, nwill nmove ntowards
nnegative nelectrode
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