ZOO501 Quiz 3 Updated by Sagittarius

Zoo501Quizz#3

By S gitt rius

1. Thedorsal-ventralaxismeans........Backtobelly
2. ThenameofTunicateinbecausepresentof.......Cellulose
3. Ingastrulationaxesarethefoundationofthebodyare......Dorsal-ventral
4. Intunicatecleavageatthe32-cellstage,asmallblastocoelisformedand....begins... Gastrulation
5. Pairsofblastomeresappeartoleadthisinvaginationintothecentreoftheembryo. Thisinvaginationbecomethe.......Mesodermalcells
6. The.....ischaracteristicofseveralanimalgroups,includingannelidworms,some fiatworms,andmostmolluscs.......spiralHoloblasticcleavage
7. Tunicategastrulationischaracterizedbytheinvaginationofthe......Endoderm
8. Whilegastrulatingprocessinsnailthemicromereswillcovertheentire......Embryo
9. cyclinsynthesispromotestheformationofMPF,andMPFpromotes.......Mitosis
10. onlythecytoplasm oftheblastodiscbecometheembryo. Thistypeofcleavage discoidalpresentin.......Fishes
11. Blastulae produced by radial cleavage have no blastocoel and are called......Stereoblastulae
12. inthetunicatecleavageis......Bilateral
13. Amammalianblastulaiscalleda.....Blastocysts
14. Spiral holoblastic cleavage is characteristic of several animal groups like...Molluscus
15. Forcleavageinsnaileggsmesodermalandintestinaldifferentiationcarriedout by......Determinants
16. Ascidians,membersofthephylum....Tunicate
17. ThehylineLayerismadeupof......Fibropellinprotein
18. InTunicatecleavageatthe32-cellstage,asmallblastocoelisformed,and.... begins.....Gastrulation
19. WhilegastrulationofTunicatethepresumptivetailmusclecells......Yellowcresent
20. Theblastulastageofseaurchindevelopmentbeginsat....128cellstage
21. The Shellgland is on.....organ formed through induction by mesodermal cells.....Ectodermal
22. Therighttoleftaxismean....Betweentwolateralsidesofthebody
23. Somesnailshavetheircoilsopeningtotherightoftheirshellscalled....Daxtral Coiling
24. Theorientationofthecleavageplaneinsnaileggscontrolledby.....Cytoplasmic factors
25. A.....isacelldarivedfromcleavageinanearlyembryo.....Blastormere
26. infisheggscleavageoccursonlyinthe.......athinregionofyolk-freecytoplasm at theanimalcapoftheegg......Blastodisc
27. The.........thataretheprecursorsoftheneuraltubeinvaginateintotheembryoand aràenclosedbyneuralfolds........DorsalectodermalCells
28. The......isgovernedbythesynthesisanddegradationofcyclin.......Blastomerecell cycle
29. Tunicategastrulationischaracterizedbytheinvaginatibnoftheendoderm,the

involutionofthemesoderm,andtheepibolyof..........Ectoderm

30. Themovementsofgastrulationincludes......Epiboly
31. Thesnailstereoblastulaisrelatively......small
32. .......produced by radialcleavage and have no blastocoeland are called stereoblastula......Blastula
33. Theopeningofthearchenteronatthavegetalregioniscalledthe.....Blastophore
34. InTunicatecleavageatthe........asmallblastocoelisformedandgastrulationis begins....32cellstage
35. Tunicategastrulationincharacterizedbytheinvaginationofthe......Endodem
36. ThedorsalectodermalcellsthataretheprecursorsoftheneuraltubeivaginateInto theembryoandareenclosedbyneuralfolds, Thisform theneuraltubewhichwill form.......anteriorlyand.....posteriorly.......Brainandspinalcord
37. The invaginated region formed during gastrulation in sea urchin is called as....Archenteron
38. Duringgastrulationinsnailtheresultinglarvaeofsnailiscalled........Glochidia
39. Thefourcellsoftheanimaltierdividemeridionalyintoeightblastomeres,eachwith thesamevolume. Thesecellsarecalled......Mesomeres
40. Ascidianshavetheir.....notochord
41. ........promotestheformationofMPF,andMPFpromotesmitosis......cyclinsynthesis
42. intunicatethesecondcleavage.........meridionalcleavage
43. insnailthecleavageis.......spiral
44. in Tunicatethesecondcleavagecreatestwolargeinteriorsblastomeres.....AandD