What is the difference between a heterogeneous mixture and a homogeneous mixture? A. A heterogeneous mixture can only be a solid, and a homogeneous mixture can only be a liquid. B. You can’t see the parts in a heterogeneous mixture, but you can in a homogeneous mixture. C. You can see the parts in a heterogeneous mixture, but you can’t see them in a homogeneous mixture. D. A heterogeneous mixture is a physical combination, and a homogeneous mixture is a chemical combination.

C. You can see the parts in a heterogeneous mixture but can't see them in a homogeneous mixture.

Explanation:

a heterogeneous mixture is in other words, the one that does not mix or is not uniformly combined, hence leading to the creation of layers of the substances used.

a homogeneous mixture is the one that completely dissolves, or mixes, or is uniformly combined.

youre right there are

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.