BIOS251 EXAM 2 QUESTIONS WITH CORRRECT ANSWERS 2026

BIOS251 EXAM 2 QUESTIONS WITHjk jk jk jk




CORRRECT ANSWERS 2025 jk jk


Metabolism jk- jkCORRECT jkANSWER jk-All jkof jkthe jkchemical jkreactions jkof jkthe jkbody


Anabolism jk- jkCORRECT jkANSWER jk-Energy-storing jk(endergonic) jksynthesis jkreactions

•Requires jkenergy jkinput



Catabolism jk- jkCORRECT jkANSWER jk-Energy-releasing jk(exergonic) jkdecomposition jkreactions

•Breaks jkcovalent jkbonds

•Produces jksmaller jkmolecules



Mitosis jk- jkCORRECT jkANSWER jk-
Mitosis jkis jka jktype jkof jkcell jkdivision jkin jkwhich jkone jkcell jk(the jkmother) jkdivides jkto jkproduce jktwo jknew jkcells
jk(the jkda jkughters) jkthat jkare jkgenetically jkidentical jkto jkitself.




Meiosis jk- jkCORRECT jkANSWER jk-
a jktype jkof jkcell jkdivision jkthat jkresults jkin jkfour jkdaughter jkcells jkeach jkwith jkhalf jkthe jknumber jkof
jkchromosomes jkof jkt jkhe jkparent jkcell




Compare jkand jkcontrast jkmitosis jkand jkmeiosis jk- jkCORRECT jkANSWER jk-
- jkBoth jkinvolved jkin jkcell jkdivision jkresulting jkin jknew jkcells.

-mitosis jkproduces jkcells jkthat jkare jkgenetically jkidentical jkto jkthe jkparent jkcell jkand jkthe jknucleus jkdivides jkonce.

-
Meiosis jkproduces jkcells jkthat jkhave jk½ jkthe jknumber jkof jkchromosomes jkfrom jkeach jkparent jkcell jkand jkthe
jknucleus jkdivides jktwice.




crossing jkover jk- jkCORRECT jkANSWER jk--The jksharing jkof jkgenetic jkmaterial jkbetween jktwo
jknon- jksister jkchromatids jkin jka jkhomologous jkpair.



-occurs jkduring jkprophase jkI jkof jkmeiosis jkbefore jktetrads jkare jkaligned jkalong jkthe jkequator jkin jkmetaphase jkI.

-occurs jkwhen jkchromosomal jkhomologs jkexchange jkinformation jkduring jkmetaphase jkof jkMeiosis jkI

, Nucleus jk- jkCORRECT jkANSWER jk-Controls jkcell jkbecause jkit jkcontains jkDNA, jkthe jkgenetic
jkcode-- jkinstructions jkfor jkmaking jkproteins, jkwhich jkin jkturn jkdetermine jkcell jkstructure jkand

jkfunction




Endoplasmic jkReticulum jk- jkCORRECT jkANSWER jk--Network jkof jkconnecting jksacs jkand jkcanals

-Carry jksubstances jkthrough jkfluid jkcytoplasm

-Two jktypes: jkrough jkand jksmooth



Rough jkER jk- jkCORRECT jkANSWER jk-
collects, jkfolds, jkand jktransports jkproteins jkmade jkby jkribosomes, jkhas jkribosomes jkon jkit



Smooth jkER jk- jkCORRECT jkANSWER jk-synthesizes jkchemicals, jkproduces jklipids jkthat jkmakes jkup jknew
jkmembrane




Mitochondria jk- jkCORRECT jkANSWER jk--Powerhouse jkof jkthe jkcell

-ATP jkis jkcreated jkin jkmitochondria

-Involved jkwith jkenergy-releasing jkchemical jkreactions

-Contains jkone jkDNA jkmolecule



Lysosomes jk- jkCORRECT jkANSWER jk--Contains jkdigestive jkenzymes jkthat jkdigest jkand jkbreak jkdown jkthings

-Formerly jkthought jkto jkbe jkresponsible jkfor jkapoptosis(programmed jkcell jkdeath)



Golgi jkapparatus jk- jkCORRECT jkANSWER jk--helps jkprocess jkand jkpackage jkproteins jkand jklipid jkmolecules

-Called jkthe jkchemical jkprocessing jkand jkpackaging jkcenter

-Collect jkchemicals jkinto jkvesicles jkthat jkmove jkfrom jkthe jksmooth jkER jkoutward jkto jkplasma jkmembrane



Ribosomes jk- jkCORRECT jkANSWER jk-Makes jkproteins

-May jkattaches jkto jkrough jkER jkor jklie jkfree jkin jkcytoplasm

-Made jkof jktwo jksubunits jkof jkmostly jkribosomal jkRNA

-Manufacture jkenzymes jkand jkother jkprotein jkcompounds

-Often jkcalled jkprotein jkfactories.