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BIOLOGY PROCTORED EXAM PENN FOSTER ACTUAL EXAM/ LATEST UPDATE 2025 WITH 200 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS)|A+GRADE

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BIOLOGY PROCTORED EXAM PENN FOSTER ACTUAL EXAM/ LATEST UPDATE 2025 WITH 200 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS)|A+GRADE

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BIOLOGY
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BIOLOGY










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BIOLOGY
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BIOLOGY

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Uploaded on
August 30, 2025
Number of pages
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Written in
2025/2026
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BIOLOGY PROCTORED EXAM PENN FOSTER
tt tt tt tt



ACTUAL EXAM/ LATEST UPDATE 2025 WITH 200
tt tt tt tt tt tt tt



tt QUESTIONS AND CORRECT ANSWERS (VERIFIED
tt tt tt tt



ANSWERS)|A+GRADE
tt




Characteristics ttof ttliving ttthings tt
- ttCorrect ttAnswer-
-All ttare ttcomposed ttof ttcells
-All ttobtain ttenergy ttand ttuse ttit ttto ttdevelop
-Can ttsense ttchanges ttin ttthe ttenvironment ttand ttadjust ttin ttresponse ttto ttchange
-Exhibit ttmodifications ttthat ttrepresent ttadaptations ttto tttheir ttenvironment

Levels ttof ttBiological ttOrganization tt
- ttCorrect tAnswer-atom, ttmolecule, ttorganelle, ttcell,tt issue, ttorgan, ttorgan ttsystem,
ttorganism




How ttare ttorganisms ttclassified?
- ttCorrect tAnswer-on ttthe ttbasis ttof tttheirtevolutionary/genetic
tt

ttrelatedness




What ttis ttthe ttscientific ttmethod? ttWhat ttis ttit's ttimportance ttin ttbiological ttsciences? tt
- ttCorrectA
t nswer-Process ttused ttto ttvalidate ttobservations ttwhile ttminimizing

ttobserver ttbias


It's ttgoal ttis ttfor ttresearch ttto ttbe ttconduced ttin tta ttfair, ttunbiased ttand ttrepeatable
ttmanner. ttThetbest ttway ttto ttdiscover tthow ttand ttwhy ttthe ttworld ttworks




What ttis ttmatter? tt
- ttCorrect ttAnswer-Anything ttthat tthas ttmass ttand tttakes ttup ttspace

What ttis ttan ttatom?
tt- ttCorrect ttAnswer-smallest ttunit ttof ttmatter ttthat ttretains ttall ttthe ttchemical
ttproperties ttof ttan ttelement. ttThey ttcombine ttto ttform ttmolecules ttwhich ttthen ttform
ttinto tta ttsolid,tgas ttor ttliquid




What ttis ttthe ttstructure ttof ttan ttatom? tt
- ttCorrect ttAnswer-Nucleus ttin ttthe ttcenter ttthat ttcontainstprotons tt(positively
ttcharged) ttand ttneutrons tt(no ttcharge). ttThe ttoutermost ttregion ttis ttcalled ttan

ttelectron ttshell ttthat ttcontain ttthe ttelectrons tt(negatively ttcharged)




What ttis ttan ttionic ttbond? tt
- ttCorrect ttAnswer-A ttchemical ttbond ttthat's ttformed ttwhen ttan ttatomttransfers ttand

,tt electron ttto ttanother ttAtom


What ttis tta ttcovalent ttbond?
- ttCorrect ttAnswer-Results ttwhen tt2 ttatoms ttshare ttelectrons ttintorder ttto tthave tta
tt

tt completed ttouter ttshell


What ttis tta ttdouble ttcovalent ttbond? tt
- ttCorrect ttAnswer-Occurs ttwhen tt2 ttatoms ttshare tt2 ttpairstof ttelectroms


In ttorder ttto ttbe ttan ttorganic ttmolecule ttit ttmust ttcontain ttwhat?
tt - ttCorrect ttAnswer-Carbon ttandh
t ydrogen




What ttare ttthe ttmain ttgroups ttof ttorganic ttmolecules ttthat ttbuild ttcells ttand tttheir ttparts? tt
- ttCorrecttAnswer-Carbohydrates, ttproteins, ttlipids, ttnucleic ttacid


What ttare ttthe ttproperties ttof ttwater? tt
- ttCorrect tAnswer-Its ttattraction ttto ttpolar ttmolecules.H
t igh-specific ttheat.

High ttheat ttof
ttvaporization.tThe ttlower

ttdensity ttof ttice. ttHigh

ttpolarity.




Carbohydrates tt
- ttCorrect tAnswer-Broken ttdown ttto ttglucose ttto ttprovide ttenergy.

What ttare ttthe ttdifferent ttkinds ttof ttcarbs? tt
- ttCorrect tAnswer-Glucose= ttmonosaccharide ttthattserves ttas ttblood ttsugar
Sucrose= ttdisaccharide ttwhich ttis tttable ttsugar
Polysaccharides= ttinclude ttstarch, ttwhich ttstores ttenergy
ttin ttplantstGlycogen= ttstores ttenergy ttin ttanimals

Cellulose= ttmakes ttup ttthe ttstructure ttof ttplant ttcell ttwalls

Protein tt
- ttCorrect tAnswer-macromolecule ttthat ttcontains ttcarbon, tthydrogen, ttoxygen, ttand
nitrogen; ttneeded ttby ttthe ttbody ttfor ttgrowth ttand ttrepair
t




Lipid tt
- ttCorrect ttAnswer-Energy-rich ttorganic ttcompounds, ttsuch ttas ttfats, ttoils, ttand
ttwaxes,tthat ttare ttmade ttof ttcarbon, tthydrogen, ttand ttoxygen.

Serve ttas tta ttlong ttterm ttenergy ttsource


Nucleic ttacid tt

, - ttCorrect tAnswer-macromolecule ttcontaining tthydrogen, ttoxygen, ttnitrogen,tcarbon,
ttand ttphosphorus

Form ttDNA ttwhich ttacts ttto ttstore ttgenetic ttinformation

What ttis ttthe ttcell tttheory? tt
- ttCorrect ttAnswer-All ttliving ttorganisms ttare ttmade ttup ttof ttcellsT t he ttcell ttis ttthe

ttsmallest ttstructural ttand ttfunctional ttunit ttof ttall ttliving ttorganisms

All ttcells ttarise ttfrom ttpre-existing ttcells

Ribosome
- ttCorrect ttAnswer-Makes ttproteins

Endoplasmic ttReticulum tt
- ttCorrect ttAnswer-A ttcell ttstructure ttthat ttforms tta ttmaze ttof ttpassageways ttin
ttwhich ttproteins ttand ttother ttmaterials ttare ttcarried ttfrom ttone ttpart ttof ttthe ttcelltto

ttanother.




Smooth ttER tt
- ttCorrect ttAnswer-Makes ttlipids


Rough ttER tt- ttCorrect ttAnswer-That ttportion ttof ttthe ttendoplasmic ttreticulum ttstudded
ttwith tribosomes.




Golgi ttApparatus tt- ttCorrect ttAnswer-Sorts ttand ttpacks ttprotein ttinto ttvesicles ttand
tttransportstthem




Lysosome
- ttCorrect tAnswer-Digests ttfood, ttbacteria ttand ttworn ttout ttorganelles
tt




Vacuole
- ttCorrect tAnswer-Stores ttfood, ttenzymes ttand ttother ttmaterial
tt




Mitochondria tt
- ttCorrect tAnswer-Powerhouse ttof ttthe ttcell- ttproduces ttenergy ttfor ttgrowth,
development ttand ttmovement
t




Nucleus
tt- ttCorrect ttAnswer-A ttpart ttof ttthe ttcell ttcontaining ttDNA ttand ttRNA ttand ttresponsible

for ttgrowth ttand ttreproduction
t




Cell ttwall tt
- ttCorrect ttAnswer-A ttrigid ttstructure ttthat ttsurrounds ttthe ttcell ttmembrane ttand
provides ttsupport ttto ttthe ttcell
t




Explain ttthe ttprocess ttof ttdiffusion: tt
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