The shape of the cell changes in (a) bacteria

(b) virus

(c) Amoeba

(d) Euglena

Plase help

Its Euglena

Explanation:

Shape change from normal elongated egg-shape to round-shape in stressful environment. These shape changes attain two transition phases. The I-transition phase is reversible where the organism can return to normal if favourable environment persists.

c.more precipitation,but only when emission levels.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.