A flower which can be divided into two equal halves by only one plane is
zygomorphic
actinomorphic
regular
perfect
Spindle fibre is made up of
humulin
intermediate filament
flagellin
tubulin
D.
tubulin
The spindle microtubules are protein fibers made up of as many as 45 different proteins, primarily of alpha and beta tubulin, that grow from the centrioles. They form a polymer, which is a large molecule made up of many similar molecules linked together.
Calcium level decreases in the blood due to hyposecretion of
parathyroid hormone
calcitonin
thyroxine
adrenaline