WGU C190 Intro To Biology Practice Test Questions With The Correct Answers.

WGU C190 Intro To Biology Practice Test Questions With The
Correct Answers




Fats cand coils care ccomposed cof c- c ccorrect canswer- c cFatty cacids cand cglycerol

Fatty cacids ccan cnaturally cbe csaturated cor cunsaturated. cA csaturated cfatty cacid chas c-
c ccorrect canswer- c c.
All csingle ccovalent cbonds

Triglycerides, ca ctype cof cfat, care ccomposed cof cwhat ctwo csubunits? c- c ccorrect
canswer- c cFatty cacids cand cglycerol


What cwould cyou chave cto cdo cto cmake ca cfat cfrom cthe cfatty cacid cshown cabove? c- c
ccorrect canswer- c cAttach cit cto ca cglycerol calong cwith ctwo cother cfatty cacids.


If cone cor cmore cof cthe cfatty cacids cin ca ctriglyceride cinclude comega-3 cfatty cacids,
cwhat ccan cyou cpredict cabout cthis csubstance cat croom ctemperature? c- c ccorrect
canswer- c cIt cis ca cliquid coil


What ckinds cof cmolecules care cthe cmajor cfuel cfor cthe csalmon's clong ctrip? c- c ccorrect
canswer- c cTriglycerides c(fats c/ coils)


Based con cyour cknowledge cof cthe cstructure cof ctriglycerides, cwhat cproducts cwould
cyou cexpect cto cresult cfrom cthe ccomplete chydrolysis cof ca cfat cmolecule? cMore cthan
cone cis ccorrect. c- c ccorrect canswer- c cFatty cacids cand cglycerol

, The cblubber clayer chelps cinsulate cmammals cand cbirds cthat clive cin ccold cwater; cfat
cdoes cnot cconduct cheat cvery cquickly. cApplying cwhat cyou cknow cabout clipids, cwhat
cis cthe cmain cadvantage cof ccovering cfeathers cor cfur cin coil? c- c ccorrect canswer- c cOil
csheds cwater cand ckeeps cunderlying clayers cof cfur cor cdowny cfeathers cdry.


Another ctype cof clipid cthat ccomposes ccells care ccalled cphospholipids. cPhospholipids
cdiffer cfrom cother clipids cbecause cthey c- c ccorrect canswer- c cContains ca chydrophobic
cand chydrophilic cend


Highly csimplified cdiagram cof ca cmembrane's cstructure cis cmade cup cof c- c ccorrect
canswer- c cPhospholipids


Which cpart cof cthe cmolecules cis chydrophilic? c- c ccorrect canswer- c cThe cheads

Ions cof csalt c(sodium, cNA+, cand cchloride, cCl−) care chighly chydrophilic. cWill cthey
ceasily cpass cthrough cthe clayer cto center cor cleave ca ccell? c- c ccorrect canswer- c cNo.


What care cmolecules? c- c ccorrect canswer- c cMolecules care cmade cof catoms

Below cis can cimage cof cthe csmallest camino cacid: cGlycine. cWhat cdoes ceach cline cin
cthe cpicture cof cthe camino cacid crepresent? c- c ccorrect canswer- c cA cshared cpair cof
celectrons cin ca ccovalent cbond.


A cpeptide cis cbuilt cso cthat cthe cred camino cacid cis cglutamic cacid cand cthe cblue camino
cacid cis clysine. cHow cwill cthese camino cacids crespond cto ceach cother? c- c ccorrect
canswer- c cThese camino cacids care ccharged cand cwill cattract ceach cother


The camino cacid cchain cof ca cprotein cis cheld ctogether cby c- c ccorrect canswer- c
cCovalent cbonds


If cthe cprotein cis cmainly cstructural cand cneeds cto cmaintain ca cstable, crigid cform,
cwhich cbonds cwould cit cuse? c- c ccorrect canswer- c cCovalent cbonds


If cthe cprotein cneeds cto cbe cflexible, cwith cbonds cthat ceasily cbreak cand creform, cwhich
cbonds cwould cit cuse? c- c ccorrect canswer- c cHydrogen


Water cmolecules cbinding cto ceach cother cis ccalled ca c- c ccorrect canswer- c cCohesion

Water cmolecules cbinding cto cother cmolecules cis ccalled c- c ccorrect canswer- c
cAdhesion


Water cmolecules cform chydrogen cbonds cbecause cwater cis c- c ccorrect canswer- c
cPolar


Water ccan cbind cto cthe cwalls cof cthese ccells cbecause cthey care c- c ccorrect canswer- c
cPolar