Modulel 2:l BIODl 102/l BIOD102l (Latestl
2025/l 2026l Update)l Essentiall Biologyl IIl
W/Labl |l Questionsl &l Answers|l Gradel A|l
100%l Correctl (Verifiedl Solutions)-l
Portagel Learning
Q:l Inhibitoryl neurotransmitters________l thel electricall thresholdl (byl decreasingl thel
electricall excitability)l ofl thel _______l neuron,l makingl itl morel difficultl forl actionl
potentialsl tol bel propagated.
Answer:
increase;l post-synaptic
Q:l Whichl ofl thel followingl statementsl is/arel truel ofl polypeptidel hormones?l (Selectl alll
thatl apply)
a.l Theyl arel lipid-solublel derivativesl ofl cholesterol
b.l Cortisoll isl anl example
c.l Theyl arel derivativesl ofl thel aminol acidl tyrosine
d.l Theyl bindl tol thel GPCRsl ofl thel targetl cell
Answer:
d
Q:l Thel pituitaryl glandl canl bel structurallyl dividedl intol anteriorl andl posteriorl regions.l
Whatl arel thel namesl ofl thesel regions?
Answer:
,Thel anteriorl portionl isl thel adenohypophysis,l andl thel posteriorl portionl isl thel
neurohypophysis.
Q:l Whichl ofl thel followingl is/arel consideredl locall signalingl types?l (Selectl alll thatl
apply)
a.l Endocrine
b.l Synaptic
c.l Autocrine
d.l Neuroendocrine
e.l Alll ofl thel above
Answer:
bl &l c
Q:l Whenl consideringl thel "fightl orl flight"l chainl ofl reactions,l whichl ofl thel followingl
stepsl happensl third?
a.l Glycogenl isl releasedl froml cellsl intol thel bloodstreaml tol servel asl al sourcel ofl
immediatel energy
b.l Cyclicl AMPl (cAMP)l activatesl proteinl kinasel A,l whichl inl turnl activatesl thel enzymel
responsiblel forl beginningl thel breakdownl ofl glycogen
c.l Epinephrinel isl releasedl inl responsel tol al threateningl event
d.l Epinephrinel bindsl tol GPCRsl ofl hepatocytesl kickingl offl al seriesl ofl signall
transductionl events
Answer:
b
Q:l Insulinl isl produced/secretedl byl whichl source?
Answer:
Pancreaticl islets
, Q:l Whichl ofl thel followingl targetsl thel kidneysl tol increasel sodiuml reabsorptionl andl
potassiuml excretion?
Answer:
Adrenall glands
Q:l Truel orl False.l Ifl false,l explainl whyl itl isl false.
Ifl anl aminel isl lipid-soluble,l itl willl bindl tol al celll surfacel receptor.
Answer:
False,l ifl anl aminel isl water-soluble,l itl willl bindl tol al celll surfacel receptor.
OR
Ifl anl aminel isl lipid-soluble,l itl willl bindl tol anl intracellularl receptor.
Q:l Truel orl False.l Ifl false,l explainl whyl itl isl false.
Neurohormonesl exertl locall effectsl withinl al synapse.
Answer:
False,l neurotransmittersl exertl locall effectsl withinl al synapse.
OR
Neurohormonesl arel oftenl transportedl throughoutl thel entirel bodyl andl canl affectl manyl
differentl tissuesl andl organs.
Q:l Givel ONEl examplel ofl al hydrophobicl hormonel andl describel thel locationl onl thel
targetl celll tol whichl theyl bind.
Answer:
Steroidsl andl somel aminesl arel consideredl hydrophobic.l Theyl bindl tol intracellularl
receptorsl onl thel targetl cell
2025/l 2026l Update)l Essentiall Biologyl IIl
W/Labl |l Questionsl &l Answers|l Gradel A|l
100%l Correctl (Verifiedl Solutions)-l
Portagel Learning
Q:l Inhibitoryl neurotransmitters________l thel electricall thresholdl (byl decreasingl thel
electricall excitability)l ofl thel _______l neuron,l makingl itl morel difficultl forl actionl
potentialsl tol bel propagated.
Answer:
increase;l post-synaptic
Q:l Whichl ofl thel followingl statementsl is/arel truel ofl polypeptidel hormones?l (Selectl alll
thatl apply)
a.l Theyl arel lipid-solublel derivativesl ofl cholesterol
b.l Cortisoll isl anl example
c.l Theyl arel derivativesl ofl thel aminol acidl tyrosine
d.l Theyl bindl tol thel GPCRsl ofl thel targetl cell
Answer:
d
Q:l Thel pituitaryl glandl canl bel structurallyl dividedl intol anteriorl andl posteriorl regions.l
Whatl arel thel namesl ofl thesel regions?
Answer:
,Thel anteriorl portionl isl thel adenohypophysis,l andl thel posteriorl portionl isl thel
neurohypophysis.
Q:l Whichl ofl thel followingl is/arel consideredl locall signalingl types?l (Selectl alll thatl
apply)
a.l Endocrine
b.l Synaptic
c.l Autocrine
d.l Neuroendocrine
e.l Alll ofl thel above
Answer:
bl &l c
Q:l Whenl consideringl thel "fightl orl flight"l chainl ofl reactions,l whichl ofl thel followingl
stepsl happensl third?
a.l Glycogenl isl releasedl froml cellsl intol thel bloodstreaml tol servel asl al sourcel ofl
immediatel energy
b.l Cyclicl AMPl (cAMP)l activatesl proteinl kinasel A,l whichl inl turnl activatesl thel enzymel
responsiblel forl beginningl thel breakdownl ofl glycogen
c.l Epinephrinel isl releasedl inl responsel tol al threateningl event
d.l Epinephrinel bindsl tol GPCRsl ofl hepatocytesl kickingl offl al seriesl ofl signall
transductionl events
Answer:
b
Q:l Insulinl isl produced/secretedl byl whichl source?
Answer:
Pancreaticl islets
, Q:l Whichl ofl thel followingl targetsl thel kidneysl tol increasel sodiuml reabsorptionl andl
potassiuml excretion?
Answer:
Adrenall glands
Q:l Truel orl False.l Ifl false,l explainl whyl itl isl false.
Ifl anl aminel isl lipid-soluble,l itl willl bindl tol al celll surfacel receptor.
Answer:
False,l ifl anl aminel isl water-soluble,l itl willl bindl tol al celll surfacel receptor.
OR
Ifl anl aminel isl lipid-soluble,l itl willl bindl tol anl intracellularl receptor.
Q:l Truel orl False.l Ifl false,l explainl whyl itl isl false.
Neurohormonesl exertl locall effectsl withinl al synapse.
Answer:
False,l neurotransmittersl exertl locall effectsl withinl al synapse.
OR
Neurohormonesl arel oftenl transportedl throughoutl thel entirel bodyl andl canl affectl manyl
differentl tissuesl andl organs.
Q:l Givel ONEl examplel ofl al hydrophobicl hormonel andl describel thel locationl onl thel
targetl celll tol whichl theyl bind.
Answer:
Steroidsl andl somel aminesl arel consideredl hydrophobic.l Theyl bindl tol intracellularl
receptorsl onl thel targetl cell
