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Final Exam: BSC2086/ BSC 2086 (Latest 2024/ 2025 Update) Anatomy and Physiology II Complete Guide | Qs & As| 100% Correct| Grade A (Verified Answers) $10.99
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Final Exam: BSC2086/ BSC 2086 (Latest 2024/ 2025 Update) Anatomy and Physiology II Complete Guide | Qs & As| 100% Correct| Grade A (Verified Answers)
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Final Exam: BSC2086/ BSC 2086 (Latest 2024/ 2025 Update) Anatomy and Physiology II Complete Guide | Qs & As| 100% Correct| Grade A (Verified Answers) Q: Interstitial cells (Leydig cells) Answer: •Produce androgens, dominant male sex hormones •Testosterone is the most important andro...

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  • 15 de octubre de 2024
  • 33
  • 2024/2025
  • Examen
  • Preguntas y respuestas

Temas

  • spermatogenesis
  • final exam bsc2086 bsc 2086 anatomy and physiolo
  • interstitial cells leydig cells
  • final exam bsc2086 bsc 2086 latest u
  • bsc2086 bsc 2086 latestbsc2086 bsc
  • bsc2086bsc 2086bsc2086 bsc 20

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FinallExam:lBSC2086/lBSCl2086lAnatomyl
andlPhysiologylIIlCompletelGuidel|lQsl&lAs|
l100%lCorrect|lGradelAl(VerifiedlAnswers)


Q:lInterstitiallcellsl(Leydiglcells)
Answer:
•Producelandrogens,ldominantlmalelsexlhormones
•Testosteronelislthelmostlimportantlandrogen

Q:lMitosis
Answer:
•Islpartloflsomaticlcellldivision-loccurslinlalmostlalllcellslinlthelbody
•Producesltwoldiploidl(2n)ldaughterlcells
•Bothlhavelidenticallpairsloflchromosomes

Q:lMeiosis
Answer:
•Islalspeciallformloflcellldivisionlinvolvedlonlylinlproductionloflgametes-
lproduces:lspermatozoalinlmaleslandloocyteslinlfemales
•Gameteslcontainl23lchromosomes,lhalflthelnormallamount
•Fusionloflmalelandlfemalelgameteslproduceslzygotelwithl46lchromosomes

Q:lInlmales,lmeiosisloccurslat...
Answer:
seminiferousltubules:
•Beginslwithlprimarylspermatocytes
•Produceslspermatidsl(undifferentiatedlmalelgametes)

Q:lDNAlduplicatedl____lmeiosisloccursl(occurslinl____)
Answer:
before;linterphaselI

,Q:lMeiosislI
Answer:
Reductionalldivisionl(sincelthelchromosomelnumberlislhalvedlfroml46ltol23)

Q:lProphaselI
Answer:
•Chromosomeslcondense
•Synapsis-lmaternall&lpaternallchromosomeslcomeltogether,lformslaltetrad
•Crossingloverloccurs

Q:lTetrad
Answer:
structurelcontainingl4lchromatidslthatlformslduringlmeiosis

Q:lCrossinglover
Answer:
exchangeloflgeneticlmateriallthatlincreaseslgeneticlvariationlamongloffspring

Q:lMetaphaselI
Answer:
Tetradsllineluplalonglmetaphaselplate

Q:lAnaphaselI
Answer:
Maternallandlpaternallchromosomeslseparate,leachltetradlsplits,lmaternall&lpaternallcomponent
slarelrandomlyldistributedltoltheldaughterlcell

Q:lTelophaselI
Answer:
•Endslwithlformationlofltwoldaughterlcellslwithluniquelcombinationsloflchromosomes
•Bothlcellslcontainl23lchromosomeslwithltwolchromatidsleachl(notlthelsamelaslaldiploidlcell)

,Q:lInterphaselII
Answer:
•SeparateslmeiosislIlandlmeiosislII
•Islverylbrief,lDNAlislnotlreplicated

Q:lMeiosislII
Answer:
•Equationalldivisionlsincelchromosomelnumberlislnotlchanged
•ProceedslthroughlprophaselIIlandlmetaphaselII

Q:lAnaphaselII
Answer:
Duplicatelchromatidslseparate

Q:lTelophaselII
Answer:
Yieldslfourlcells,leachlcontainingl23lchromosomesl(howeverlcytoplasmlmaylnotlbelevenlyldistr
ibuted)

Q:lDNAlreplicationlonly
occursloncelandlitlhappensl___l___l___

Answer:
beforelMeiosislI

Q:lSpermatogenesis
Answer:
•Thelprocessloflspermlproduction
•Beginslatloutermostlcellllayerlinlseminiferousltubules
•Proceedsltowardllumen

Q:lCellsloflSpermatogenesis
Answer:
•Spermatogonialdividelbylmitosisltolproduceltwoldaughterlcells

, •Onelremainslaslspermatogonium
•Secondldifferentiateslintolprimarylspermatocyte
•Primarylspermatocytes
•Secondarylspermocytes
•Spermatids
•Spermatozoa

Q:lSpermatogonia
Answer:
stemlcellslorlgermlcellslofltheltestes

Q:lPrimarylspermatocytes
Answer:
beginlmeiosislandlformlsecondarylspermatocytesl(bylthelendloflmeiosislI,ltheselcellsldolnotlhav
elthelsamelgeneticlinfo-lbecauseloflcrossovers)

Q:lSecondarylspermatocytes
Answer:
undergolmeiosislIIlandlbylthelendlofltelophaselII,lformlspermatidsl(immaturelgametes)

Q:lSpermatids
Answer:
Differentiatelintolspermatozoa

Q:lSpermatozoa
Answer:
•Loselcontactlwithlwallloflseminiferousltubule
•Enterlfluidlinllumenloflseminiferousltubule

Q:lSpermiogenesis
Answer:
•Lastlsteploflspermatogenesis
•Beginslwithlspermatidsl(small,lrelativelylunspecializedlcells)
•Involveslmajorlstructurallchanges
•Spermatidsldifferentiatelintolmaturelspermatozoal(highlylspecializedlcells)

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