Mark the following statements as "True" or "False":

i) During development cells move by extending their cell processes in all directions without any polarity.

ii) The cytoskeleton of the cell is actively involved in cell movement and cell shape change.

iii) Cadherin on one cell binds strongly to similar cadherins molecules on other cells.

iv) Integrins are cell adhesion molecules that attach cells to other cells at the apical region.

v) Permissive interaction involves gene expression in the induced cell.

vi) Morphogens are paracrine signalling molecules.

vii) In apoptosis the cell organelles are delivered to lysosomes and the cell contents are spilled out.

viii) Cell death by necrosis indicates that cell has undergone a toxic reaction.

ix) Optic cup is induced to form the retinal layers by reciprocal induction from the lens.

x) Pattern formation is the result of morphogenesis.

i) False

ii) True

iii) ________ _______ ________ ____ _____ ____.
_________ __________ _____ ________ ___.
_________ _______ ______ ___.
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