The answer is C (when they cannot interbreed) because when the new species cannot have offspring with the old species, they do not mix traits.
Answer:
Suspension
Explanation:
A suspension is a heterogeneous mixture in which some of the particles settle out of the mixture upon standing. The particles in a suspension are far larger than those of a solution and thus gravity is able to pull them down out of the dispersion medium (water).
A cell membrane and cytoplasm
<span>Ubiquitin is a protein found in eukaryotic cells that play an important role in the regulation of proteins. <span>It labels unwanted proteins (poorly folded proteins, viral proteins) to be degraded by the proteasome in to shorter fragments. Malfunction of this protein will cause degradation of this proteins to fast or, the opposite, will not label them as unwanted. </span></span>
