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PSL300 LEC 8: HORMONES + TEXTBOOK QUESTIONS AND CORRECT ANSWERS

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Psl300 Lec 8: Hormones + Textbook Questions And Correct Answers

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2025/2026

Institution PSL300

Module PSL300

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PSL300 LEC 8: HORMONES + TEXTBOOK QUESTIONS AND CORRECT ANSWERS

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PSL300 LEC 8: HORMONES + TEXTBOOK
QUESTIONS AND CORRECT ANSWERS
WhatA2areA2theA2ClassificationsA2ofA2Hormones?A2-A2Ans--HydrophilicA2&A2Hydropobic

HydrophilicA2HormonesA2-A2Ans---A2WaterA2soluble,A2canA2dissolveA2inA2plasma
-A2Lipophobic,A2soA2itA2cantA2crossA2plasmaA2membrane,A2isA2dissolvedA2inA2blood
-A2MadeA2inA2advanceA2&A2stored
Examples:A2PeptideA2Hormones,A2ProteinA2Hormones,A2catecholamines

HydrophobicA2HormonesA2-A2Ans---A2NotA2waterA2Soluble,A2don'tA2dissolveA2inA2plasma
-A2Lipophilic,A2soA2canA2readilyA2crossA2plasmaA2membrane
-NeedsA2toA2bindA2toA2carrierA2proteinsA2toA2travelA2inA2bloodA2
-
A2madeA2onA2demandA2bcA2sinceA2theyreA2solubleA2theyA2wouldA2justA2diffuseA2acrossA2m
embraneA2
Examples:A2SteroidA2&A2ThyroidA2Hormones

ThreeA2MainA2TypesA2ofA2HormonesA2-A2Ans--1.A2Peptide/
Protein:A2madeA2fromA23A2orA2moreA2aa
2.A2Steroid:A2derivedA2fromA2cholesterol
3.A2Amine:A2DerivedA2fromA2singleA2aa

Peptide/ProteinA2HormonesA2-A2Ans---A2MostA2abundantA2hormone
-A2MadeA2inA2advanceA2ofA2linkedA2aaA2andA2storedA2inA2vesicles
-
A2SynthesizedA2likeA2secretedA2proteinsA2andA2releasedA2viaA2exocytosisA2whenA2signalle
dA2
-A2HYDROPHILIC

ProteinA2Hormones:A2Synthesis,A2PackagingA2&A2ReleaseA2-A2Ans---
A21stA2proteinA2createdA2toA2encodeA2forA2hormoneA2hasA2additionalA2sequencesA2&A2sign
alsA2sequenceA2getsA2cleavedA2offA2(neededA2forA2processing)A2
-
A2NowA2theA2prohormoneA2travelsA2throughA2theA2ER,A2packagedA2intoA2transportA2vesicle
A2toA2golgiA2whereA2itsA2processedA2andA2packagedA2intoA2secretoryA2vesicleA2wA2separat
eA2activeA2hormonA2andA2pep.A2frag.A2
-
A2thenA2completeA2exocytosisA2bcA2ofA2releaseA2signalA2andA2getsA2releasedA2intoA2ECFA2
-A2HormoneA2eventuallyA2makesA2itsA2wayA2toA2bloodstream

ExplainA2theA2VariabilityA2ofA2PreprohormonesA2-A2Ans--
1:A2SeveralA2copiesA2ofA2sameA2hormone

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Uploaded on: December 17, 2025
Number of pages: 4
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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