MCQ
Water vascular system (ambulacral system) is typically found in
- AHydra
- BSponge
- CEarthworm
- ✓Star fish
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$I.$ blood drained from a convenient artery and anticoagulant is added (heparin)
$II.$ removal of nitrogenous waste from blood
$III.$ blood is passed through a coiled porous cellophane membrane of tube bathing in dialysis fluid $IV.$ blood is mixed with anti heparin and passed into vein
Arrange the steps
$(I)$ Chromosome cluster at opposite spindle poles.
$(II)$ Nuclear envelope assembles around the chromosome clusters.
$(III)$ Golgi complex and $ER$ reform.