There is a botton when u add a question to imput pic
Calcitonin, secreted from the thyroid, and parathyroid hormone. Calcitonin lowers the blood calcium levels, PTH increases it.
Answer:
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Answer:
The elongation of the cell takes place in telophase, and due to elongation of the microtubules, the organelles and the cytoplasm get ready to move in a new cell formed by the process of cytokinesis.
a. The given statement is false, as the force of contraction is produced by microtubule and actin bundles that produce the contractile ring.
b. The given statement is true, as, with the constriction of the contractile ring, the thickness also increases so that the volume remains the same.
c. The given statement is false, as the midbody gets generated from bipolar microtubule array.
d. The given statement is false, as local activation of Rho GTPase stimulates the alignment and contraction of the contractile ring.