facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules.

separate two cells from ach other

stop substance from leaking across a tissue

performing cementing to keep neighbouring cells together

(a) $$ \to $$ (iv), (b) $$ \to $$ (ii), (c) $$ \to $$ (i), (d) $$ \to $$ (iii)

(a) $$ \to $$ (iv), (b) $$ \to $$ (iii), (c) $$ \to $$ (i), (d) $$ \to $$ (ii)

(a) $$ \to $$ (iii), (b) $$ \to $$ (iv), (c) $$ \to $$ (i), (d) $$ \to $$ (ii)

(a) $$ \to $$ (iii), (b) $$ \to $$ (i), (c) $$ \to $$ (iv), (d) $$ \to $$ (ii)

endoplasmic reticulum, ribosomes and nuclei

lysosomes, Golgi apparatus and mitochondria

nuclei, ribosomes and mitochondria

chromosomes, ribosomes and endoplasmic reticulum

Mesosome

Nuclear envelope

Ribosome

Plasma membrane