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UA BSC 108 Exam 2 Questions with 100% Correct Answers | Verified | Latest Update R260,78   Add to cart

Exam (elaborations)

UA BSC 108 Exam 2 Questions with 100% Correct Answers | Verified | Latest Update

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  • Course
  • UA BSC 108
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  • UA BSC 108

UA BSC 108 Exam 2 Questions with 100% Correct Answers | Verified | Latest Update UA BSC-108 Exam Questions 2024 UA BSC-108 Exam Answers 2024 UA BSC-108 Exam UA BSC-108 Exam 2024 Questions And Answers Pdf Download UA BSC-108 Exam 2024 Questions UA BSC-108 Exam 2024 Answers UA BSC-108 Exam 20...

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  • October 2, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • UA BSC 108
  • UA BSC 108
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UA BSC 108 Exam 2 Questions with 100%
Correct Answers | Verified | Latest Update

Whatiisiaiphotosyntheticiautotroph?i-iCorrectiAnswer-
Aniorganismithatimakesiitsiownifoodifromiinorganiciingredients.


Whatiisitheifluidiinsideichloroplastsicalled?i-iCorrectiAnswer-Stroma


Whatiareitheimembranesiinsideichloroplastsicalled?i-iCorrectiAnswer-
inneriandiouterimembranes


Writeitheioveralliequationiforiphotosynthesis.i-iCorrectiAnswer-
6CO2+6H2O→C6H12O6+6O2


Whatiisitheiprimaryifunctioniofipigmentsiiniphotosynthesis?iNameitheip
rimaryipigmentiusediiniphotosynthesis.i-iCorrectiAnswer-
Pigmentsiabsorbicertainiwavelengths.iTheyiareitheimeansibyiwhichithei
energyiofisunlightiisicapturediforiphotosynthesis.iTheiprimaryipigmentiu
sediiniphotosynthesisiisiChlorophylla-a.


Whyiareileavesigreen?i-iCorrectiAnswer-
Theirigreenicoloriisifromichlorophyll,iaipigmenti(light-
iabsorbingimolecule)iinitheichloroplastsithatiplaysiaicentraliroleiiniconve

rtingisolarienergyitoichemicalienergy.

, Howiandiwhereidoesiwaterienteriaiplant?i-iCorrectiAnswer-
Waterientersirootihairicellsibyiosmosis.


Howiandiwhereidoesicarbonidioxideienteriaiplant?i-iCorrectiAnswer-
CarboniDioxideidiffusesithroughismalliholesiinitheiundersideiofileaves,ic
alleditheistomata.
Theilightireactionsitakeiplaceiinithreeistages.iNameitheistagesiandisumm
arizeitheieventsiofieachistage.i1.iPhotonsiexciteielectronsiinitheichlorop
hylliofitheifirstiphotosystem.iTheseiphotonsiareithenitrappedibyitheipri
maryielectroniacceptor.iThisiphotosystemithenireplacesitheilostielectro
nsibyiextractinginewionesifromiwater.iThisiisitheistepithatireleasesiO2idu
ringiphotosynthesis.i2.iEnergizedielectronsifromitheifirstiphotosystemip
assidownianielectronitransportichainitoitheisecondiphotosystem.iTheich
loroplastiusesitheienergyireleasedibyithisielectroni"fall"itoimakeiATP.i3.i
Theisecondiphotosystemitransfersiitsilight-
excitedielectronsitoiNADP+,ireducingiititoiNADPH.
Listialliproductsiofitheilightireactions.icarbonidioxide,iwater.iGlucose,iox
ygen


TheiCalvinicycleihasithreeimainistages.iNameitheistagesiandisummarizeit
heieventsiofieachistage.i-iCorrectiAnswer-"1)iCarboniFixation-
iTheienzymeirubiscoicombinesiCO2iwithi5-

carbonisugarirubuloseibiphosphatei(RuBP).iTheiunstableiproductiforme
displitsiintoi2imoleculesiofi3-carboni3-phosphoglycericiacidi(3-PGA).
2)iReduction-
iEnergyifromi6imoleculesiofiATPiisiuseditoioxidizeiNADPHitoiNADP+.iSixi

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