POB FINAL (UARK, SHADWICK) EXAM
QUESTIONS WITH ANSWERS
Which0of0the0following0includes0prokaryotes?
a.0protists
b.0fungi
c.0archea
d.0plants0-0ans✔archea
The0term0"supergroup"0is0used0in0the0classification0of0what?0-0ans✔eukaryotes
atomic0number0tells0you...0-0ans✔number0of0protons
isotopes0differ0in0their...0-0ans✔number0of0neutrons
an0atom0that0has020electrons0in0the0valence0shell0would0most0likely...0-
0ans✔lose0those020electrons0and0becomes0positive
When0an0atom0gains0electrons0it0becomes...0-0ans✔negatively0charged
unequal0sharing0of0electrons0-0ans✔polar0covalent0bond
True/False:0Are0carbon0atoms0ionic?0-0ans✔false
what0reaction0combines020monomers0to0make0a0polymer?0-0ans✔dehydration
monomers0of0carbohydrates0-0ans✔monosaccharides
fructose0and0galactose0are0both0isomers0of...0-0ans✔glucose
a0fatty0acid0is0unsaturated0if0it...0-0ans✔contains0carbon-carbon0double0bonds
True/False:0Are0phospholipids0energy-storing0molecules?0-0ans✔false
lipid0that0contains040fused0carbon0rings0-0ans✔steroid
chemical0differences0between0amino0acids0are0due0to...0-0ans✔R0group
, which0level0of0protein0structure0is0determined0by0interactions0of0more0than0one0polype
ptide0chain?0-0ans✔quaternary
what0is0formed0by0the0linking0of0two0amino0acids?0-0ans✔peptide0bond
True/False:0Nucleotides0are0the0monomers0of0fats0and0polysaccharides.0-0ans✔false
True/False:0ATP0is0a0high-
energy0molecule0that0can0break0down0to0ADP0and0phosphate.0-0ans✔true
the0gradual0strengthening0of0stimulus-
response0connections0that0seemingly0unrelated0-0ans✔classical0conditioning
What0type0of0survivorship0curve0would0you0expect0for0a0plant0species0in0which0most0s
eedlings0die?0-0ans✔type03
high0survival0rate0in0early0and0middle0life,0rapid0decline0in0survival0in0later0life,0few0off
spring,0care0for0young,0humans0and0many0other0large0mammals0-0ans✔type01
lots0of0offspring0with0little0care0after0birth,0life0expectancy0is0short0-0ans✔type02
high0infant0mortality0rate,0longer0life0span0-0ans✔type03
role0of0a0species0in0a0community,0including0its0habitat0and0interaction0with0other0speci
es0-0ans✔ecological0niche
exhibition0of0the0characteristics0of0a0dangerous0species0by0a0harmless0species0to0avoi
d0predators0-0ans✔Batesian0mimicry
exhibition0of0similar0characteristics0by0similar0species0to0avoid0predators0-
0ans✔Mullerian0mimicry
types0of0symbiosis0-0ans✔mutualism,0commensalism,0parasitism
series0of0community0changes0which0occur0on0an0entirely0new0habitat0which0has0never
0been0colonized0before0-0ans✔primary0succession
series0of0community0changes0which0take0place0on0a0previously0colonized,0but0disturb
ed0or0damaged0habitat0-0ans✔secondary0succession
the0point0when0a0stable,0mature0community0undergoes0little0or0no0change0-
0ans✔tertiary0succession
models0of0succession0-0ans✔facilitation,0tolerance,0inhibition
QUESTIONS WITH ANSWERS
Which0of0the0following0includes0prokaryotes?
a.0protists
b.0fungi
c.0archea
d.0plants0-0ans✔archea
The0term0"supergroup"0is0used0in0the0classification0of0what?0-0ans✔eukaryotes
atomic0number0tells0you...0-0ans✔number0of0protons
isotopes0differ0in0their...0-0ans✔number0of0neutrons
an0atom0that0has020electrons0in0the0valence0shell0would0most0likely...0-
0ans✔lose0those020electrons0and0becomes0positive
When0an0atom0gains0electrons0it0becomes...0-0ans✔negatively0charged
unequal0sharing0of0electrons0-0ans✔polar0covalent0bond
True/False:0Are0carbon0atoms0ionic?0-0ans✔false
what0reaction0combines020monomers0to0make0a0polymer?0-0ans✔dehydration
monomers0of0carbohydrates0-0ans✔monosaccharides
fructose0and0galactose0are0both0isomers0of...0-0ans✔glucose
a0fatty0acid0is0unsaturated0if0it...0-0ans✔contains0carbon-carbon0double0bonds
True/False:0Are0phospholipids0energy-storing0molecules?0-0ans✔false
lipid0that0contains040fused0carbon0rings0-0ans✔steroid
chemical0differences0between0amino0acids0are0due0to...0-0ans✔R0group
, which0level0of0protein0structure0is0determined0by0interactions0of0more0than0one0polype
ptide0chain?0-0ans✔quaternary
what0is0formed0by0the0linking0of0two0amino0acids?0-0ans✔peptide0bond
True/False:0Nucleotides0are0the0monomers0of0fats0and0polysaccharides.0-0ans✔false
True/False:0ATP0is0a0high-
energy0molecule0that0can0break0down0to0ADP0and0phosphate.0-0ans✔true
the0gradual0strengthening0of0stimulus-
response0connections0that0seemingly0unrelated0-0ans✔classical0conditioning
What0type0of0survivorship0curve0would0you0expect0for0a0plant0species0in0which0most0s
eedlings0die?0-0ans✔type03
high0survival0rate0in0early0and0middle0life,0rapid0decline0in0survival0in0later0life,0few0off
spring,0care0for0young,0humans0and0many0other0large0mammals0-0ans✔type01
lots0of0offspring0with0little0care0after0birth,0life0expectancy0is0short0-0ans✔type02
high0infant0mortality0rate,0longer0life0span0-0ans✔type03
role0of0a0species0in0a0community,0including0its0habitat0and0interaction0with0other0speci
es0-0ans✔ecological0niche
exhibition0of0the0characteristics0of0a0dangerous0species0by0a0harmless0species0to0avoi
d0predators0-0ans✔Batesian0mimicry
exhibition0of0similar0characteristics0by0similar0species0to0avoid0predators0-
0ans✔Mullerian0mimicry
types0of0symbiosis0-0ans✔mutualism,0commensalism,0parasitism
series0of0community0changes0which0occur0on0an0entirely0new0habitat0which0has0never
0been0colonized0before0-0ans✔primary0succession
series0of0community0changes0which0take0place0on0a0previously0colonized,0but0disturb
ed0or0damaged0habitat0-0ans✔secondary0succession
the0point0when0a0stable,0mature0community0undergoes0little0or0no0change0-
0ans✔tertiary0succession
models0of0succession0-0ans✔facilitation,0tolerance,0inhibition
