EXSC 223 LAB MIDTERM 1

EXSC 223 LAB MIDTERM 1

Insideoptheopcytoplasmopareopstructuresopcalledop_____,opwhichopperformopessentialopcell
ularopfunctions.op-opans--Organelles

Whichopofoptheopfollowingopisoptrueopregardingopaopmatureopredopbloodopcell?op-opans--
Itopdoesopnotophaveopaopnucleusopatopall.

Diffusionopofopwateropacrossopaopcell'sopplasmaopmembraneopisopcalledop-opans--Osmosis

Inopaophypertonicopsolution,opthereopisopaopgreateropconcentrationopofopwateropinsideopthe
opcellopthanopoutsideopit.opAsopaopresult,optheopcellop-opans--
Shrinksopasopwateropflowsopout.

Theopassemblyopofoptheopprotein'sopaminoopacidopchainopoccursopinoptheop_____opandopis
opfacilitatedopbyop_____.op-opans--Cytoplasm,opribosomes


Whichopofoptheopfollowingopisopaopsimilarityopbetweenoptheoproughopendoplasmicopreticulu
mopandoptheopsmoothopendoplasmicopreticulum?op-opans--
Bothoptransportopmaterialsopforopcellularopgrowth.

Allopofoptheopfollowingopexplainoptheoproleopofopmitochondriaopinoptheopcellopexceptop-
opans--Theyopproduceoplipids.


Whichopofoptheopfollowingopisopanopaccurateopcomparisonopofoppassiveoptransportopandop
activeoptransport?op-opans--
Inoppassiveoptransport,opcertainopmoleculesopmoveopthroughoptheopcell'sopselectivelyopper
meableopmembraneopwithoutoptheopcellopusingopanyopenergy,opwhereasopinopactiveoptran
sport,opcellsopuseopspecializedopchannelsoporopcarriersoptoopmoveopmoleculesopacrossopt
heopmembrane.

Whichopofoptheopfollowingopdescribesoptheopmainopfunctionsopofoptranscriptionopandoptran
slation?op-opans--
TranscriptionopsynthesizesopaopstrandopofopmRNAopthatopisopcomplementaryoptooptheopge
neopofopinterest,opwhileoptranslationopsynthesizesopaopproteinopwithinoptheopribosome.

AllopofoptheopfollowingopareopwaysopRNAopdiffersopfromopDNAopexceptop-opans--
ItsopstructureopisopcompletelyopdifferentopfromopthatopofopDNA.

Allopofoptheopfollowingopoccuropduringoptheopinterphaseopofoptheopcellopcycleopexceptopcell
sop-opans--Createoptwoopdaughteropcells.

, Ofoptheopthreeoptypesopofopfilamentsopthatopformoptheopcytoskeleton,op_____opareoptheopth
ickest.op-opans--Microtubules

Whatopoccursopduringopcytokinesis?op-opans--
Theopcytoplasmopandopcellopbodyopareopdividedopintooptwoopnewopcells.

Becauseopeachopsexopcellopisop_____opandopgeneticallyopunique,opitopcanopcombineopwith
opanotheropsexopcellopduringopfertilizationoptoopcreateopoffspringopwithopgeneticopvariation.
op-opans--Haploid


Allopofopfollowingopareoppartsopofoptheopspermaticopcordopexceptop-opans--Sperm.

HowopwouldopyouopexplainopwhyoptheopDNAopreplicationopprocessopisopcalledop"semicons
ervative"?op-opans--
ItopisopsemiconservativeopbecauseophalfopofoptheoporiginalopDNAopmoleculeopisopconserve
dopinopeachopnewopDNAopmolecule.

Whichopofoptheopfollowingopoutlinesoptheopcellopcycleopinoptheopcorrectoporder?op-opans--
Interphase,opmitosis,opcytokinesis

Howopwouldopyouopdescribeopmitosisoptoopaoppeeropwhoopisn'topfamiliaropwithoptheopproce
ss?op-opans--
Asoptheopprocessopthroughopwhichopaopcellopdividesoptheopgeneticopinformationopwithinopit
sopnucleusopintooptwoopexactopsetsopwithinopindependentopnuclei

Whichopofoptheopfollowingopisopaopmajoropdifferenceopbetweenopprophaseopandoptelophas
e?op-opans--
Theoplooselyoppackedopchromatinopcoilsopandopcondensesopintoopvisibleopchromosomeso
pduringopprophase,opandoptheopchromosomesopuncoiloptoopreturnoptooplooselyoppackedopc
hromatinopduringoptelophase.

Allopofoptheopfollowingopdescribeoptheoptestesopexceptop-opans--
Theyopuseopmitosisoptoopproduceopmaleopsexopcells.

Allopofoptheopfollowingopareopcomponentsopofopanoposteonopexceptop-opans--Trabeculae.

Whichopofoptheopfollowingopaccuratelyopcomparesoptheopdifferentoptypesopofopboneopcells
?op-opans--
Osteoblastsopsynthesizeopboneopmatrix,oposteoclastsopbreakopdownopboneopmatrix,opand
oposteocytesopmaintainopboneoptissueopstructure.


Whichopofoptheopfollowingopstatementsopaccuratelyopcomparesopyellowopandopredopboneo
pmarrow?op-opans--
Yellowopboneopmarrowopconsistsopmostlyopofopfat,opwhereasopredopboneopmarrowopcontai
nsopbloodopcells.